| blob | 47a8c8a3ba71f0802f77bad7dfd017cb47c733d1 |
1 depth 0: r = 1
2 depth 1: r = 1
3 depth 2: r = 1
4 depth 3: r = 1
5 depth 4: r = 1
6 depth 5: r = 1
7 depth 6: r = 1
8 depth 7: r = 1
9 depth 8: r = 1
10 depth 9: r = 1
11 depth 10: r = 1
12 depth 11: r = 1
13 depth 12: r = 1
14 depth 13: r = 1
15 depth 14: r = 1
16 depth 15: r = 1
17 depth 16: r = 1
18 depth 17: r = 1
19 depth 18: r = 1
20 depth 19: r = 1
21 depth 20: r = 1
22 depth 21: r = 1
23 depth 22: r = 1
24 depth 23: r = 1
25 depth 24: r = 1
26 depth 25: r = 1
27 depth 26: r = 1
28 depth 27: r = 1
29 depth 28: r = 1
30 depth 29: r = 1
31 depth 30: r = 1
32 depth 31: r = 1
33 depth 32: r = 1
34 depth 33: r = 1
35 depth 34: r = 1
36 depth 35: r = 1
37 depth 36: r = 1
38 depth 37: r = 1
39 depth 38: r = 1
40 depth 39: r = 1
41 depth 40: r = 1
42 depth 41: r = 1
43 depth 42: r = 1
44 depth 43: r = 1
45 depth 44: r = 1
46 depth 45: r = 1
47 depth 46: r = 1
48 depth 47: r = 1
49 depth 48: r = 1
50 depth 49: r = 1
51 depth 50: r = 1
52 depth 51: r = 1
53 depth 52: r = 1
54 depth 53: r = 1
55 depth 54: r = 1
56 depth 55: r = 1
57 depth 56: r = 1
58 depth 57: r = 1
59 depth 58: r = 1
60 depth 59: r = 1
61 depth 60: r = 1
62 depth 61: r = 1
63 depth 62: r = 1
64 depth 63: r = 1
65 depth 64: r = 1
66 depth 65: r = 1
67 depth 66: r = 1
68 depth 67: r = 1
69 depth 68: r = 1
70 depth 69: r = 1
71 depth 70: r = 1
72 depth 71: r = 1
73 depth 72: r = 1
74 depth 73: r = 1
75 depth 74: r = 1
76 depth 75: r = 1
77 depth 76: r = 1
78 depth 77: r = 1
79 depth 78: r = 1
80 depth 79: r = 1
81 depth 80: r = 1
82 depth 81: r = 1
83 depth 82: r = 1
84 depth 83: r = 1
85 depth 84: r = 1
86 depth 85: r = 1
87 depth 86: r = 1
88 depth 87: r = 1
89 depth 88: r = 1
90 depth 89: r = 1
91 depth 90: r = 1
92 depth 91: r = 1
93 depth 92: r = 1
94 depth 93: r = 1
95 depth 94: r = 1
96 depth 95: r = 1
97 depth 96: r = 1
98 depth 97: r = 1
99 depth 98: r = 1
100 depth 99: r = 1
101 depth 100: r = 1
102 depth 101: r = 1
103 depth 102: r = 1
104 depth 103: r = 1
105 depth 104: r = 1
106 depth 105: r = 1
107 depth 106: r = 1
108 depth 107: r = 1
109 depth 108: r = 1
110 depth 109: r = 1
111 depth 110: r = 1
112 depth 111: r = 1
113 depth 112: r = 1
114 depth 113: r = 1
115 depth 114: r = 1
116 depth 115: r = 1
117 depth 116: r = 1
118 depth 117: r = 1
119 depth 118: r = 1
120 depth 119: r = 1
121 depth 120: r = 1
122 depth 121: r = 1
123 depth 122: r = 1
124 depth 123: r = 1
125 depth 124: r = 1
126 depth 125: r = 1
127 depth 126: r = 1
128 depth 127: r = 1
129 depth 128: r = 1
130 depth 129: r = 1
131 depth 130: r = 1
132 depth 131: r = 1
133 depth 132: r = 1
134 depth 133: r = 1
135 depth 134: r = 1
136 depth 135: r = 1
137 depth 136: r = 1
138 depth 137: r = 1
139 depth 138: r = 1
140 depth 139: r = 1
141 depth 140: r = 1
142 depth 141: r = 1
143 depth 142: r = 1
144 depth 143: r = 1
145 depth 144: r = 1
146 depth 145: r = 1
147 depth 146: r = 1
148 depth 147: r = 1
149 depth 148: r = 1
150 depth 149: r = 1
151 depth 150: r = 1
152 depth 151: r = 1
153 depth 152: r = 1
154 depth 153: r = 1
155 depth 154: r = 1
156 depth 155: r = 1
157 depth 156: r = 1
158 depth 157: r = 1
159 depth 158: r = 1
160 depth 159: r = 1
161 depth 160: r = 1
162 depth 161: r = 1
163 depth 162: r = 1
164 depth 163: r = 1
165 depth 164: r = 1
166 depth 165: r = 1
167 depth 166: r = 1
168 depth 167: r = 1
169 depth 168: r = 1
170 depth 169: r = 1
171 depth 170: r = 1
172 depth 171: r = 1
173 depth 172: r = 1
174 depth 173: r = 1
175 depth 174: r = 1
176 depth 175: r = 1
177 depth 176: r = 1
178 depth 177: r = 1
179 depth 178: r = 1
180 depth 179: r = 1
181 depth 180: r = 1
182 depth 181: r = 1
183 depth 182: r = 1
184 depth 183: r = 1
185 depth 184: r = 1
186 depth 185: r = 1
187 depth 186: r = 1
188 depth 187: r = 1
189 depth 188: r = 1
190 depth 189: r = 1
191 depth 190: r = 1
192 depth 191: r = 1
193 depth 192: r = 1
194 depth 193: r = 1
195 depth 194: r = 1
196 depth 195: r = 1
197 depth 196: r = 1
198 depth 197: r = 1
199 depth 198: r = 1
200 depth 199: r = 1
201 depth 200: r = 1
202 depth 201: r = 1
203 depth 202: r = 1
204 depth 203: r = 1
205 depth 204: r = 1
206 depth 205: r = 1
207 depth 206: r = 1
208 depth 207: r = 1
209 depth 208: r = 1
210 depth 209: r = 1
211 depth 210: r = 1
212 depth 211: r = 1
213 depth 212: r = 1
214 depth 213: r = 1
215 depth 214: r = 1
216 depth 215: r = 1
217 depth 216: r = 1
218 depth 217: r = 1
219 depth 218: r = 1
220 depth 219: r = 1
221 depth 220: r = 1
222 depth 221: r = 1
223 depth 222: r = 1
224 depth 223: r = 1
225 depth 224: r = 1
226 depth 225: r = 1
227 depth 226: r = 1
228 depth 227: r = 1
229 depth 228: r = 1
230 depth 229: r = 1
231 depth 230: r = 1
232 depth 231: r = 1
233 depth 232: r = 1
234 depth 233: r = 1
235 depth 234: r = 1
236 depth 235: r = 1
237 depth 236: r = 1
238 depth 237: r = 1
239 depth 238: r = 1
240 depth 239: r = 1
241 depth 240: r = 1
242 depth 241: r = 1
243 depth 242: r = 1
244 depth 243: r = 1
245 depth 244: r = 1
246 depth 245: r = 1
247 depth 246: r = 1
248 depth 247: r = 1
249 depth 248: r = 1
250 depth 249: r = 1
251 depth 250: r = 1
252 depth 251: r = 1
253 depth 252: r = 1
254 depth 253: r = 1
255 depth 254: r = 1
256 depth 255: r = 1
257 depth 256: r = 1
258 depth 257: r = 1
259 depth 258: r = 1
260 depth 259: r = 1
261 depth 260: r = 1
262 depth 261: r = 1
263 depth 262: r = 1
264 depth 263: r = 1
265 depth 264: r = 1
266 depth 265: r = 1
267 depth 266: r = 1
268 depth 267: r = 1
269 depth 268: r = 1
270 depth 269: r = 1
271 depth 270: r = 1
272 depth 271: r = 1
273 depth 272: r = 1
274 depth 273: r = 1
275 depth 274: r = 1
276 depth 275: r = 1
277 depth 276: r = 1
278 depth 277: r = 1
279 depth 278: r = 1
280 depth 279: r = 1
281 depth 280: r = 1
282 depth 281: r = 1
283 depth 282: r = 1
284 depth 283: r = 1
285 depth 284: r = 1
286 depth 285: r = 1
287 depth 286: r = 1
288 depth 287: r = 1
289 depth 288: r = 1
290 depth 289: r = 1
291 depth 290: r = 1
292 depth 291: r = 1
293 depth 292: r = 1
294 depth 293: r = 1
295 depth 294: r = 1
296 depth 295: r = 1
297 depth 296: r = 1
298 depth 297: r = 1
299 depth 298: r = 1
300 depth 299: r = 1
301 depth 300: r = 1
302 depth 301: r = 1
303 depth 302: r = 1
304 depth 303: r = 1
305 depth 304: r = 1
306 depth 305: r = 1
307 depth 306: r = 1
308 depth 307: r = 1
309 depth 308: r = 1
310 depth 309: r = 1
311 depth 310: r = 1
312 depth 311: r = 1
313 depth 312: r = 1
314 depth 313: r = 1
315 depth 314: r = 1
316 depth 315: r = 1
317 depth 316: r = 1
318 depth 317: r = 1
319 depth 318: r = 1
320 depth 319: r = 1
321 depth 320: r = 1
322 depth 321: r = 1
323 depth 322: r = 1
324 depth 323: r = 1
325 depth 324: r = 1
326 depth 325: r = 1
327 depth 326: r = 1
328 depth 327: r = 1
329 depth 328: r = 1
330 depth 329: r = 1
331 depth 330: r = 1
332 depth 331: r = 1
333 depth 332: r = 1
334 depth 333: r = 1
335 depth 334: r = 1
336 depth 335: r = 1
337 depth 336: r = 1
338 depth 337: r = 1
339 depth 338: r = 1
340 depth 339: r = 1
341 depth 340: r = 1
342 depth 341: r = 1
343 depth 342: r = 1
344 depth 343: r = 1
345 depth 344: r = 1
346 depth 345: r = 1
347 depth 346: r = 1
348 depth 347: r = 1
349 depth 348: r = 1
350 depth 349: r = 1
351 depth 350: r = 1
352 depth 351: r = 1
353 depth 352: r = 1
354 depth 353: r = 1
355 depth 354: r = 1
356 depth 355: r = 1
357 depth 356: r = 1
358 depth 357: r = 1
359 depth 358: r = 1
360 depth 359: r = 1
361 depth 360: r = 1
362 depth 361: r = 1
363 depth 362: r = 1
364 depth 363: r = 1
365 depth 364: r = 1
366 depth 365: r = 1
367 depth 366: r = 1
368 depth 367: r = 1
369 depth 368: r = 1
370 depth 369: r = 1
371 depth 370: r = 1
372 depth 371: r = 1
373 depth 372: r = 1
374 depth 373: r = 1
375 depth 374: r = 1
376 depth 375: r = 1
377 depth 376: r = 1
378 depth 377: r = 1
379 depth 378: r = 1
380 depth 379: r = 1
381 depth 380: r = 1
382 depth 381: r = 1
383 depth 382: r = 1
384 depth 383: r = 1
385 depth 384: r = 1
386 depth 385: r = 1
387 depth 386: r = 1
388 depth 387: r = 1
389 depth 388: r = 1
390 depth 389: r = 1
391 depth 390: r = 1
392 depth 391: r = 1
393 depth 392: r = 1
394 depth 393: r = 1
395 depth 394: r = 1
396 depth 395: r = 1
397 depth 396: r = 1
398 depth 397: r = 1
399 depth 398: r = 1
400 depth 399: r = 1
401 depth 400: r = 1
402 depth 401: r = 1
403 depth 402: r = 1
404 depth 403: r = 1
405 depth 404: r = 1
406 depth 405: r = 1
407 depth 406: r = 1
408 depth 407: r = 1
409 depth 408: r = 1
410 depth 409: r = 1
411 depth 410: r = 1
412 depth 411: r = 1
413 depth 412: r = 1
414 depth 413: r = 1
415 depth 414: r = 1
416 depth 415: r = 1
417 depth 416: r = 1
418 depth 417: r = 1
419 depth 418: r = 1
420 depth 419: r = 1
421 depth 420: r = 1
422 depth 421: r = 1
423 depth 422: r = 1
424 depth 423: r = 1
425 depth 424: r = 1
426 depth 425: r = 1
427 depth 426: r = 1
428 depth 427: r = 1
429 depth 428: r = 1
430 depth 429: r = 1
431 depth 430: r = 1
432 depth 431: r = 1
433 depth 432: r = 1
434 depth 433: r = 1
435 depth 434: r = 1
436 depth 435: r = 1
437 depth 436: r = 1
438 depth 437: r = 1
439 depth 438: r = 1
440 depth 439: r = 1
441 depth 440: r = 1
442 depth 441: r = 1
443 depth 442: r = 1
444 depth 443: r = 1
445 depth 444: r = 1
446 depth 445: r = 1
447 depth 446: r = 1
448 depth 447: r = 1
449 depth 448: r = 1
450 depth 449: r = 1
451 depth 450: r = 1
452 depth 451: r = 1
453 depth 452: r = 1
454 depth 453: r = 1
455 depth 454: r = 1
456 depth 455: r = 1
457 depth 456: r = 1
458 depth 457: r = 1
459 depth 458: r = 1
460 depth 459: r = 1
461 depth 460: r = 1
462 depth 461: r = 1
463 depth 462: r = 1
464 depth 463: r = 1
465 depth 464: r = 1
466 depth 465: r = 1
467 depth 466: r = 1
468 depth 467: r = 1
469 depth 468: r = 1
470 depth 469: r = 1
471 depth 470: r = 1
472 depth 471: r = 1
473 depth 472: r = 1
474 depth 473: r = 1
475 depth 474: r = 1
476 depth 475: r = 1
477 depth 476: r = 1
478 depth 477: r = 1
479 depth 478: r = 1
480 depth 479: r = 1
481 depth 480: r = 1
482 depth 481: r = 1
483 depth 482: r = 1
484 depth 483: r = 1
485 depth 484: r = 1
486 depth 485: r = 1
487 depth 486: r = 1
488 depth 487: r = 1
489 depth 488: r = 1
490 depth 489: r = 1
491 depth 490: r = 1
492 depth 491: r = 1
493 depth 492: r = 1
494 depth 493: r = 1
495 depth 494: r = 1
496 depth 495: r = 1
497 depth 496: r = 1
498 depth 497: r = 1
499 depth 498: r = 1
500 depth 499: r = 1
501 depth 500: r = 1
502 depth 501: r = 1
503 depth 502: r = 1
504 depth 503: r = 1
505 depth 504: r = 1
506 depth 505: r = 1
507 depth 506: r = 1
508 depth 507: r = 1
509 depth 508: r = 1
510 depth 509: r = 1
511 depth 510: r = 1
512 depth 511: r = 1
513 depth 512: r = 1
514 depth 513: r = 1
515 depth 514: r = 1
516 depth 515: r = 1
517 depth 516: r = 1
518 depth 517: r = 1
519 depth 518: r = 1
520 depth 519: r = 1
521 depth 520: r = 1
522 depth 521: r = 1
523 depth 522: r = 1
524 depth 523: r = 1
525 depth 524: r = 1
526 depth 525: r = 1
527 depth 526: r = 1
528 depth 527: r = 1
529 depth 528: r = 1
530 depth 529: r = 1
531 depth 530: r = 1
532 depth 531: r = 1
533 depth 532: r = 1
534 depth 533: r = 1
535 depth 534: r = 1
536 depth 535: r = 1
537 depth 536: r = 1
538 depth 537: r = 1
539 depth 538: r = 1
540 depth 539: r = 1
541 depth 540: r = 1
542 depth 541: r = 1
543 depth 542: r = 1
544 depth 543: r = 1
545 depth 544: r = 1
546 depth 545: r = 1
547 depth 546: r = 1
548 depth 547: r = 1
549 depth 548: r = 1
550 depth 549: r = 1
551 depth 550: r = 1
552 depth 551: r = 1
553 depth 552: r = 1
554 depth 553: r = 1
555 depth 554: r = 1
556 depth 555: r = 1
557 depth 556: r = 1
558 depth 557: r = 1
559 depth 558: r = 1
560 depth 559: r = 1
561 depth 560: r = 1
562 depth 561: r = 1
563 depth 562: r = 1
564 depth 563: r = 1
565 depth 564: r = 1
566 depth 565: r = 1
567 depth 566: r = 1
568 depth 567: r = 1
569 depth 568: r = 1
570 depth 569: r = 1
571 depth 570: r = 1
572 depth 571: r = 1
573 depth 572: r = 1
574 depth 573: r = 1
575 depth 574: r = 1
576 depth 575: r = 1
577 depth 576: r = 1
578 depth 577: r = 1
579 depth 578: r = 1
580 depth 579: r = 1
581 depth 580: r = 1
582 depth 581: r = 1
583 depth 582: r = 1
584 depth 583: r = 1
585 depth 584: r = 1
586 depth 585: r = 1
587 depth 586: r = 1
588 depth 587: r = 1
589 depth 588: r = 1
590 depth 589: r = 1
591 depth 590: r = 1
592 depth 591: r = 1
593 depth 592: r = 1
594 depth 593: r = 1
595 depth 594: r = 1
596 depth 595: r = 1
597 depth 596: r = 1
598 depth 597: r = 1
599 depth 598: r = 1
600 depth 599: r = 1
601 depth 600: r = 1
602 depth 601: r = 1
603 depth 602: r = 1
604 depth 603: r = 1
605 depth 604: r = 1
606 depth 605: r = 1
607 depth 606: r = 1
608 depth 607: r = 1
609 depth 608: r = 1
610 depth 609: r = 1
611 depth 610: r = 1
612 depth 611: r = 1
613 depth 612: r = 1
614 depth 613: r = 1
615 depth 614: r = 1
616 depth 615: r = 1
617 depth 616: r = 1
618 depth 617: r = 1
619 depth 618: r = 1
620 depth 619: r = 1
621 depth 620: r = 1
622 depth 621: r = 1
623 depth 622: r = 1
624 depth 623: r = 1
625 depth 624: r = 1
626 depth 625: r = 1
627 depth 626: r = 1
628 depth 627: r = 1
629 depth 628: r = 1
630 depth 629: r = 1
631 depth 630: r = 1
632 depth 631: r = 1
633 depth 632: r = 1
634 depth 633: r = 1
635 depth 634: r = 1
636 depth 635: r = 1
637 depth 636: r = 1
638 depth 637: r = 1
639 depth 638: r = 1
640 depth 639: r = 1
641 depth 640: r = 1
642 depth 641: r = 1
643 depth 642: r = 1
644 depth 643: r = 1
645 depth 644: r = 1
646 depth 645: r = 1
647 depth 646: r = 1
648 depth 647: r = 1
649 depth 648: r = 1
650 depth 649: r = 1
651 depth 650: r = 1
652 depth 651: r = 1
653 depth 652: r = 1
654 depth 653: r = 1
655 depth 654: r = 1
656 depth 655: r = 1
657 depth 656: r = 1
658 depth 657: r = 1
659 depth 658: r = 1
660 depth 659: r = 1
661 depth 660: r = 1
662 depth 661: r = 1
663 depth 662: r = 1
664 depth 663: r = 1
665 depth 664: r = 1
666 depth 665: r = 1
667 depth 666: r = 1
668 depth 667: r = 1
669 depth 668: r = 1
670 depth 669: r = 1
671 depth 670: r = 1
672 depth 671: r = 1
673 depth 672: r = 1
674 depth 673: r = 1
675 depth 674: r = 1
676 depth 675: r = 1
677 depth 676: r = 1
678 depth 677: r = 1
679 depth 678: r = 1
680 depth 679: r = 1
681 depth 680: r = 1
682 depth 681: r = 1
683 depth 682: r = 1
684 depth 683: r = 1
685 depth 684: r = 1
686 depth 685: r = 1
687 depth 686: r = 1
688 depth 687: r = 1
689 depth 688: r = 1
690 depth 689: r = 1
691 depth 690: r = 1
692 depth 691: r = 1
693 depth 692: r = 1
694 depth 693: r = 1
695 depth 694: r = 1
696 depth 695: r = 1
697 depth 696: r = 1
698 depth 697: r = 1
699 depth 698: r = 1
700 depth 699: r = 1
701 depth 700: r = 1
702 depth 701: r = 1
703 depth 702: r = 1
704 depth 703: r = 1
705 depth 704: r = 1
706 depth 705: r = 1
707 depth 706: r = 1
708 depth 707: r = 1
709 depth 708: r = 1
710 depth 709: r = 1
711 depth 710: r = 1
712 depth 711: r = 1
713 depth 712: r = 1
714 depth 713: r = 1
715 depth 714: r = 1
716 depth 715: r = 1
717 depth 716: r = 1
718 depth 717: r = 1
719 depth 718: r = 1
720 depth 719: r = 1
721 depth 720: r = 1
722 depth 721: r = 1
723 depth 722: r = 1
724 depth 723: r = 1
725 depth 724: r = 1
726 depth 725: r = 1
727 depth 726: r = 1
728 depth 727: r = 1
729 depth 728: r = 1
730 depth 729: r = 1
731 depth 730: r = 1
732 depth 731: r = 1
733 depth 732: r = 1
734 depth 733: r = 1
735 depth 734: r = 1
736 depth 735: r = 1
737 depth 736: r = 1
738 depth 737: r = 1
739 depth 738: r = 1
740 depth 739: r = 1
741 depth 740: r = 1
742 depth 741: r = 1
743 depth 742: r = 1
744 depth 743: r = 1
745 depth 744: r = 1
746 depth 745: r = 1
747 depth 746: r = 1
748 depth 747: r = 1
749 depth 748: r = 1
750 depth 749: r = 1
751 depth 750: r = 1
752 depth 751: r = 1
753 depth 752: r = 1
754 depth 753: r = 1
755 depth 754: r = 1
756 depth 755: r = 1
757 depth 756: r = 1
758 depth 757: r = 1
759 depth 758: r = 1
760 depth 759: r = 1
761 depth 760: r = 1
762 depth 761: r = 1
763 depth 762: r = 1
764 depth 763: r = 1
765 depth 764: r = 1
766 depth 765: r = 1
767 depth 766: r = 1
768 depth 767: r = 1
769 depth 768: r = 1
770 depth 769: r = 1
771 depth 770: r = 1
772 depth 771: r = 1
773 depth 772: r = 1
774 depth 773: r = 1
775 depth 774: r = 1
776 depth 775: r = 1
777 depth 776: r = 1
778 depth 777: r = 1
779 depth 778: r = 1
780 depth 779: r = 1
781 depth 780: r = 1
782 depth 781: r = 1
783 depth 782: r = 1
784 depth 783: r = 1
785 depth 784: r = 1
786 depth 785: r = 1
787 depth 786: r = 1
788 depth 787: r = 1
789 depth 788: r = 1
790 depth 789: r = 1
791 depth 790: r = 1
792 depth 791: r = 1
793 depth 792: r = 1
794 depth 793: r = 1
795 depth 794: r = 1
796 depth 795: r = 1
797 depth 796: r = 1
798 depth 797: r = 1
799 depth 798: r = 1
800 depth 799: r = 1
801 depth 800: r = 1
802 depth 801: r = 1
803 depth 802: r = 1
804 depth 803: r = 1
805 depth 804: r = 1
806 depth 805: r = 1
807 depth 806: r = 1
808 depth 807: r = 1
809 depth 808: r = 1
810 depth 809: r = 1
811 depth 810: r = 1
812 depth 811: r = 1
813 depth 812: r = 1
814 depth 813: r = 1
815 depth 814: r = 1
816 depth 815: r = 1
817 depth 816: r = 1
818 depth 817: r = 1
819 depth 818: r = 1
820 depth 819: r = 1
821 depth 820: r = 1
822 depth 821: r = 1
823 depth 822: r = 1
824 depth 823: r = 1
825 depth 824: r = 1
826 depth 825: r = 1
827 depth 826: r = 1
828 depth 827: r = 1
829 depth 828: r = 1
830 depth 829: r = 1
831 depth 830: r = 1
832 depth 831: r = 1
833 depth 832: r = 1
834 depth 833: r = 1
835 depth 834: r = 1
836 depth 835: r = 1
837 depth 836: r = 1
838 depth 837: r = 1
839 depth 838: r = 1
840 depth 839: r = 1
841 depth 840: r = 1
842 depth 841: r = 1
843 depth 842: r = 1
844 depth 843: r = 1
845 depth 844: r = 1
846 depth 845: r = 1
847 depth 846: r = 1
848 depth 847: r = 1
849 depth 848: r = 1
850 depth 849: r = 1
851 depth 850: r = 1
852 depth 851: r = 1
853 depth 852: r = 1
854 depth 853: r = 1
855 depth 854: r = 1
856 depth 855: r = 1
857 depth 856: r = 1
858 depth 857: r = 1
859 depth 858: r = 1
860 depth 859: r = 1
861 depth 860: r = 1
862 depth 861: r = 1
863 depth 862: r = 1
864 depth 863: r = 1
865 depth 864: r = 1
866 depth 865: r = 1
867 depth 866: r = 1
868 depth 867: r = 1
869 depth 868: r = 1
870 depth 869: r = 1
871 depth 870: r = 1
872 depth 871: r = 1
873 depth 872: r = 1
874 depth 873: r = 1
875 depth 874: r = 1
876 depth 875: r = 1
877 depth 876: r = 1
878 depth 877: r = 1
879 depth 878: r = 1
880 depth 879: r = 1
881 depth 880: r = 1
882 depth 881: r = 1
883 depth 882: r = 1
884 depth 883: r = 1
885 depth 884: r = 1
886 depth 885: r = 1
887 depth 886: r = 1
888 depth 887: r = 1
889 depth 888: r = 1
890 depth 889: r = 1
891 depth 890: r = 1
892 depth 891: r = 1
893 depth 892: r = 1
894 depth 893: r = 1
895 depth 894: r = 1
896 depth 895: r = 1
897 depth 896: r = 1
898 depth 897: r = 1
899 depth 898: r = 1
900 depth 899: r = 1
901 depth 900: r = 1
902 depth 901: r = 1
903 depth 902: r = 1
904 depth 903: r = 1
905 depth 904: r = 1
906 depth 905: r = 1
907 depth 906: r = 1
908 depth 907: r = 1
909 depth 908: r = 1
910 depth 909: r = 1
911 depth 910: r = 1
912 depth 911: r = 1
913 depth 912: r = 1
914 depth 913: r = 1
915 depth 914: r = 1
916 depth 915: r = 1
917 depth 916: r = 1
918 depth 917: r = 1
919 depth 918: r = 1
920 depth 919: r = 1
921 depth 920: r = 1
922 depth 921: r = 1
923 depth 922: r = 1
924 depth 923: r = 1
925 depth 924: r = 1
926 depth 925: r = 1
927 depth 926: r = 1
928 depth 927: r = 1
929 depth 928: r = 1
930 depth 929: r = 1
931 depth 930: r = 1
932 depth 931: r = 1
933 depth 932: r = 1
934 depth 933: r = 1
935 depth 934: r = 1
936 depth 935: r = 1
937 depth 936: r = 1
938 depth 937: r = 1
939 depth 938: r = 1
940 depth 939: r = 1
941 depth 940: r = 1
942 depth 941: r = 1
943 depth 942: r = 1
944 depth 943: r = 1
945 depth 944: r = 1
946 depth 945: r = 1
947 depth 946: r = 1
948 depth 947: r = 1
949 depth 948: r = 1
950 depth 949: r = 1
951 depth 950: r = 1
952 depth 951: r = 1
953 depth 952: r = 1
954 depth 953: r = 1
955 depth 954: r = 1
956 depth 955: r = 1
957 depth 956: r = 1
958 depth 957: r = 1
959 depth 958: r = 1
960 depth 959: r = 1
961 depth 960: r = 1
962 depth 961: r = 1
963 depth 962: r = 1
964 depth 963: r = 1
965 depth 964: r = 1
966 depth 965: r = 1
967 depth 966: r = 1
968 depth 967: r = 1
969 depth 968: r = 1
970 depth 969: r = 1
971 depth 970: r = 1
972 depth 971: r = 1
973 depth 972: r = 1
974 depth 973: r = 1
975 depth 974: r = 1
976 depth 975: r = 1
977 depth 976: r = 1
978 depth 977: r = 1
979 depth 978: r = 1
980 depth 979: r = 1
981 depth 980: r = 1
982 depth 981: r = 1
983 depth 982: r = 1
984 depth 983: r = 1
985 depth 984: r = 1
986 depth 985: r = 1
987 depth 986: r = 1
988 depth 987: r = 1
989 depth 988: r = 1
990 depth 989: r = 1
991 depth 990: r = 1
992 depth 991: r = 1
993 depth 992: r = 1
994 depth 993: r = 1
995 depth 994: r = 1
996 depth 995: r = 1
997 depth 996: r = 1
998 depth 997: r = 1
999 depth 998: r = 1
1000 depth 999: r = 1
1001 depth 1000: r = 1
1002 depth 1001: r = 1
1003 depth 1002: r = 1
1004 depth 1003: r = 1
1005 depth 1004: r = 1
1006 depth 1005: r = 1
1007 depth 1006: r = 1
1008 depth 1007: r = 1
1009 depth 1008: r = 1
1010 depth 1009: r = 1
1011 depth 1010: r = 1
1012 depth 1011: r = 1
1013 depth 1012: r = 1
1014 depth 1013: r = 1
1015 depth 1014: r = 1
1016 depth 1015: r = 1
1017 depth 1016: r = 1
1018 depth 1017: r = 1
1019 depth 1018: r = 1
1020 depth 1019: r = 1
1021 depth 1020: r = 1
1022 depth 1021: r = 1
1023 depth 1022: r = 1
1024 depth 1023: r = 1
1025 depth 1024: r = 1
1026 depth 1025: r = 1
1027 depth 1026: r = 1
1028 depth 1027: r = 1
1029 depth 1028: r = 1
1030 depth 1029: r = 1
1031 depth 1030: r = 1
1032 depth 1031: r = 1
1033 depth 1032: r = 1
1034 depth 1033: r = 1
1035 depth 1034: r = 1
1036 depth 1035: r = 1
1037 depth 1036: r = 1
1038 depth 1037: r = 1
1039 depth 1038: r = 1
1040 depth 1039: r = 1
1041 depth 1040: r = 1
1042 depth 1041: r = 1
1043 depth 1042: r = 1
1044 depth 1043: r = 1
1045 depth 1044: r = 1
1046 depth 1045: r = 1
1047 depth 1046: r = 1
1048 depth 1047: r = 1
1049 depth 1048: r = 1
1050 depth 1049: r = 1
1051 depth 1050: r = 1
1052 depth 1051: r = 1
1053 depth 1052: r = 1
1054 depth 1053: r = 1
1055 depth 1054: r = 1
1056 depth 1055: r = 1
1057 depth 1056: r = 1
1058 depth 1057: r = 1
1059 depth 1058: r = 1
1060 depth 1059: r = 1
1061 depth 1060: r = 1
1062 depth 1061: r = 1
1063 depth 1062: r = 1
1064 depth 1063: r = 1
1065 depth 1064: r = 1
1066 depth 1065: r = 1
1067 depth 1066: r = 1
1068 depth 1067: r = 1
1069 depth 1068: r = 1
1070 depth 1069: r = 1
1071 depth 1070: r = 1
1072 depth 1071: r = 1
1073 depth 1072: r = 1
1074 depth 1073: r = 1
1075 depth 1074: r = 1
1076 depth 1075: r = 1
1077 depth 1076: r = 1
1078 depth 1077: r = 1
1079 depth 1078: r = 1
1080 depth 1079: r = 1
1081 depth 1080: r = 1
1082 depth 1081: r = 1
1083 depth 1082: r = 1
1084 depth 1083: r = 1
1085 depth 1084: r = 1
1086 depth 1085: r = 1
1087 depth 1086: r = 1
1088 depth 1087: r = 1
1089 depth 1088: r = 1
1090 depth 1089: r = 1
1091 depth 1090: r = 1
1092 depth 1091: r = 1
1093 depth 1092: r = 1
1094 depth 1093: r = 1
1095 depth 1094: r = 1
1096 depth 1095: r = 1
1097 depth 1096: r = 1
1098 depth 1097: r = 1
1099 depth 1098: r = 1
1100 depth 1099: r = 1
1101 depth 1100: r = 1
1102 depth 1101: r = 1
1103 depth 1102: r = 1
1104 depth 1103: r = 1
1105 depth 1104: r = 1
1106 depth 1105: r = 1
1107 depth 1106: r = 1
1108 depth 1107: r = 1
1109 depth 1108: r = 1
1110 depth 1109: r = 1
1111 depth 1110: r = 1
1112 depth 1111: r = 1
1113 depth 1112: r = 1
1114 depth 1113: r = 1
1115 depth 1114: r = 1
1116 depth 1115: r = 1
1117 depth 1116: r = 1
1118 depth 1117: r = 1
1119 depth 1118: r = 1
1120 depth 1119: r = 1
1121 depth 1120: r = 1
1122 depth 1121: r = 1
1123 depth 1122: r = 1
1124 depth 1123: r = 1
1125 depth 1124: r = 1
1126 depth 1125: r = 1
1127 depth 1126: r = 1
1128 depth 1127: r = 1
1129 depth 1128: r = 1
1130 depth 1129: r = 1
1131 depth 1130: r = 1
1132 depth 1131: r = 1
1133 depth 1132: r = 1
1134 depth 1133: r = 1
1135 depth 1134: r = 1
1136 depth 1135: r = 1
1137 depth 1136: r = 1
1138 depth 1137: r = 1
1139 depth 1138: r = 1
1140 depth 1139: r = 1
1141 depth 1140: r = 1
1142 depth 1141: r = 1
1143 depth 1142: r = 1
1144 depth 1143: r = 1
1145 depth 1144: r = 1
1146 depth 1145: r = 1
1147 depth 1146: r = 1
1148 depth 1147: r = 1
1149 depth 1148: r = 1
1150 depth 1149: r = 1
1151 depth 1150: r = 1
1152 depth 1151: r = 1
1153 depth 1152: r = 1
1154 depth 1153: r = 1
1155 depth 1154: r = 1
1156 depth 1155: r = 1
1157 depth 1156: r = 1
1158 depth 1157: r = 1
1159 depth 1158: r = 1
1160 depth 1159: r = 1
1161 depth 1160: r = 1
1162 depth 1161: r = 1
1163 depth 1162: r = 1
1164 depth 1163: r = 1
1165 depth 1164: r = 1
1166 depth 1165: r = 1
1167 depth 1166: r = 1
1168 depth 1167: r = 1
1169 depth 1168: r = 1
1170 depth 1169: r = 1
1171 depth 1170: r = 1
1172 depth 1171: r = 1
1173 depth 1172: r = 1
1174 depth 1173: r = 1
1175 depth 1174: r = 1
1176 depth 1175: r = 1
1177 depth 1176: r = 1
1178 depth 1177: r = 1
1179 depth 1178: r = 1
1180 depth 1179: r = 1
1181 depth 1180: r = 1
1182 depth 1181: r = 1
1183 depth 1182: r = 1
1184 depth 1183: r = 1
1185 depth 1184: r = 1
1186 depth 1185: r = 1
1187 depth 1186: r = 1
1188 depth 1187: r = 1
1189 depth 1188: r = 1
1190 depth 1189: r = 1
1191 depth 1190: r = 1
1192 depth 1191: r = 1
1193 depth 1192: r = 1
1194 depth 1193: r = 1
1195 depth 1194: r = 1
1196 depth 1195: r = 1
1197 depth 1196: r = 1
1198 depth 1197: r = 1
1199 depth 1198: r = 1
1200 depth 1199: r = 1
1201 depth 1200: r = 1
1202 depth 1201: r = 1
1203 depth 1202: r = 1
1204 depth 1203: r = 1
1205 depth 1204: r = 1
1206 depth 1205: r = 1
1207 depth 1206: r = 1
1208 depth 1207: r = 1
1209 depth 1208: r = 1
1210 depth 1209: r = 1
1211 depth 1210: r = 1
1212 depth 1211: r = 1
1213 depth 1212: r = 1
1214 depth 1213: r = 1
1215 depth 1214: r = 1
1216 depth 1215: r = 1
1217 depth 1216: r = 1
1218 depth 1217: r = 1
1219 depth 1218: r = 1
1220 depth 1219: r = 1
1221 depth 1220: r = 1
1222 depth 1221: r = 1
1223 depth 1222: r = 1
1224 depth 1223: r = 1
1225 depth 1224: r = 1
1226 depth 1225: r = 1
1227 depth 1226: r = 1
1228 depth 1227: r = 1
1229 depth 1228: r = 1
1230 depth 1229: r = 1
1231 depth 1230: r = 1
1232 depth 1231: r = 1
1233 depth 1232: r = 1
1234 depth 1233: r = 1
1235 depth 1234: r = 1
1236 depth 1235: r = 1
1237 depth 1236: r = 1
1238 depth 1237: r = 1
1239 depth 1238: r = 1
1240 depth 1239: r = 1
1241 depth 1240: r = 1
1242 depth 1241: r = 1
1243 depth 1242: r = 1
1244 depth 1243: r = 1
1245 depth 1244: r = 1
1246 depth 1245: r = 1
1247 depth 1246: r = 1
1248 depth 1247: r = 1
1249 depth 1248: r = 1
1250 depth 1249: r = 1
1251 depth 1250: r = 1
1252 depth 1251: r = 1
1253 depth 1252: r = 1
1254 depth 1253: r = 1
1255 depth 1254: r = 1
1256 depth 1255: r = 1
1257 depth 1256: r = 1
1258 depth 1257: r = 1
1259 depth 1258: r = 1
1260 depth 1259: r = 1
1261 depth 1260: r = 1
1262 depth 1261: r = 1
1263 depth 1262: r = 1
1264 depth 1263: r = 1
1265 depth 1264: r = 1
1266 depth 1265: r = 1
1267 depth 1266: r = 1
1268 depth 1267: r = 1
1269 depth 1268: r = 1
1270 depth 1269: r = 1
1271 depth 1270: r = 1
1272 depth 1271: r = 1
1273 depth 1272: r = 1
1274 depth 1273: r = 1
1275 depth 1274: r = 1
1276 depth 1275: r = 1
1277 depth 1276: r = 1
1278 depth 1277: r = 1
1279 depth 1278: r = 1
1280 depth 1279: r = 1
1281 depth 1280: r = 1
1282 depth 1281: r = 1
1283 depth 1282: r = 1
1284 depth 1283: r = 1
1285 depth 1284: r = 1
1286 depth 1285: r = 1
1287 depth 1286: r = 1
1288 depth 1287: r = 1
1289 depth 1288: r = 1
1290 depth 1289: r = 1
1291 depth 1290: r = 1
1292 depth 1291: r = 1
1293 depth 1292: r = 1
1294 depth 1293: r = 1
1295 depth 1294: r = 1
1296 depth 1295: r = 1
1297 depth 1296: r = 1
1298 depth 1297: r = 1
1299 depth 1298: r = 1
1300 depth 1299: r = 1
1301 depth 1300: r = 1
1302 depth 1301: r = 1
1303 depth 1302: r = 1
1304 depth 1303: r = 1
1305 depth 1304: r = 1
1306 depth 1305: r = 1
1307 depth 1306: r = 1
1308 depth 1307: r = 1
1309 depth 1308: r = 1
1310 depth 1309: r = 1
1311 depth 1310: r = 1
1312 depth 1311: r = 1
1313 depth 1312: r = 1
1314 depth 1313: r = 1
1315 depth 1314: r = 1
1316 depth 1315: r = 1
1317 depth 1316: r = 1
1318 depth 1317: r = 1
1319 depth 1318: r = 1
1320 depth 1319: r = 1
1321 depth 1320: r = 1
1322 depth 1321: r = 1
1323 depth 1322: r = 1
1324 depth 1323: r = 1
1325 depth 1324: r = 1
1326 depth 1325: r = 1
1327 depth 1326: r = 1
1328 depth 1327: r = 1
1329 depth 1328: r = 1
1330 depth 1329: r = 1
1331 depth 1330: r = 1
1332 depth 1331: r = 1
1333 depth 1332: r = 1
1334 depth 1333: r = 1
1335 depth 1334: r = 1
1336 depth 1335: r = 1
1337 depth 1336: r = 1
1338 depth 1337: r = 1
1339 depth 1338: r = 1
1340 depth 1339: r = 1
1341 depth 1340: r = 1
1342 depth 1341: r = 1
1343 depth 1342: r = 1
1344 depth 1343: r = 1
1345 depth 1344: r = 1
1346 depth 1345: r = 1
1347 depth 1346: r = 1
1348 depth 1347: r = 1
1349 depth 1348: r = 1
1350 depth 1349: r = 1
1351 depth 1350: r = 1
1352 depth 1351: r = 1
1353 depth 1352: r = 1
1354 depth 1353: r = 1
1355 depth 1354: r = 1
1356 depth 1355: r = 1
1357 depth 1356: r = 1
1358 depth 1357: r = 1
1359 depth 1358: r = 1
1360 depth 1359: r = 1
1361 depth 1360: r = 1
1362 depth 1361: r = 1
1363 depth 1362: r = 1
1364 depth 1363: r = 1
1365 depth 1364: r = 1
1366 depth 1365: r = 1
1367 depth 1366: r = 1
1368 depth 1367: r = 1
1369 depth 1368: r = 1
1370 depth 1369: r = 1
1371 depth 1370: r = 1
1372 depth 1371: r = 1
1373 depth 1372: r = 1
1374 depth 1373: r = 1
1375 depth 1374: r = 1
1376 depth 1375: r = 1
1377 depth 1376: r = 1
1378 depth 1377: r = 1
1379 depth 1378: r = 1
1380 depth 1379: r = 1
1381 depth 1380: r = 1
1382 depth 1381: r = 1
1383 depth 1382: r = 1
1384 depth 1383: r = 1
1385 depth 1384: r = 1
1386 depth 1385: r = 1
1387 depth 1386: r = 1
1388 depth 1387: r = 1
1389 depth 1388: r = 1
1390 depth 1389: r = 1
1391 depth 1390: r = 1
1392 depth 1391: r = 1
1393 depth 1392: r = 1
1394 depth 1393: r = 1
1395 depth 1394: r = 1
1396 depth 1395: r = 1
1397 depth 1396: r = 1
1398 depth 1397: r = 1
1399 depth 1398: r = 1
1400 depth 1399: r = 1
1401 depth 1400: r = 1
1402 depth 1401: r = 1
1403 depth 1402: r = 1
1404 depth 1403: r = 1
1405 depth 1404: r = 1
1406 depth 1405: r = 1
1407 depth 1406: r = 1
1408 depth 1407: r = 1
1409 depth 1408: r = 1
1410 depth 1409: r = 1
1411 depth 1410: r = 1
1412 depth 1411: r = 1
1413 depth 1412: r = 1
1414 depth 1413: r = 1
1415 depth 1414: r = 1
1416 depth 1415: r = 1
1417 depth 1416: r = 1
1418 depth 1417: r = 1
1419 depth 1418: r = 1
1420 depth 1419: r = 1
1421 depth 1420: r = 1
1422 depth 1421: r = 1
1423 depth 1422: r = 1
1424 depth 1423: r = 1
1425 depth 1424: r = 1
1426 depth 1425: r = 1
1427 depth 1426: r = 1
1428 depth 1427: r = 1
1429 depth 1428: r = 1
1430 depth 1429: r = 1
1431 depth 1430: r = 1
1432 depth 1431: r = 1
1433 depth 1432: r = 1
1434 depth 1433: r = 1
1435 depth 1434: r = 1
1436 depth 1435: r = 1
1437 depth 1436: r = 1
1438 depth 1437: r = 1
1439 depth 1438: r = 1
1440 depth 1439: r = 1
1441 depth 1440: r = 1
1442 depth 1441: r = 1
1443 depth 1442: r = 1
1444 depth 1443: r = 1
1445 depth 1444: r = 1
1446 depth 1445: r = 1
1447 depth 1446: r = 1
1448 depth 1447: r = 1
1449 depth 1448: r = 1
1450 depth 1449: r = 1
1451 depth 1450: r = 1
1452 depth 1451: r = 1
1453 depth 1452: r = 1
1454 depth 1453: r = 1
1455 depth 1454: r = 1
1456 depth 1455: r = 1
1457 depth 1456: r = 1
1458 depth 1457: r = 1
1459 depth 1458: r = 1
1460 depth 1459: r = 1
1461 depth 1460: r = 1
1462 depth 1461: r = 1
1463 depth 1462: r = 1
1464 depth 1463: r = 1
1465 depth 1464: r = 1
1466 depth 1465: r = 1
1467 depth 1466: r = 1
1468 depth 1467: r = 1
1469 depth 1468: r = 1
1470 depth 1469: r = 1
1471 depth 1470: r = 1
1472 depth 1471: r = 1
1473 depth 1472: r = 1
1474 depth 1473: r = 1
1475 depth 1474: r = 1
1476 depth 1475: r = 1
1477 depth 1476: r = 1
1478 depth 1477: r = 1
1479 depth 1478: r = 1
1480 depth 1479: r = 1
1481 depth 1480: r = 1
1482 depth 1481: r = 1
1483 depth 1482: r = 1
1484 depth 1483: r = 1
1485 depth 1484: r = 1
1486 depth 1485: r = 1
1487 depth 1486: r = 1
1488 depth 1487: r = 1
1489 depth 1488: r = 1
1490 depth 1489: r = 1
1491 depth 1490: r = 1
1492 depth 1491: r = 1
1493 depth 1492: r = 1
1494 depth 1493: r = 1
1495 depth 1494: r = 1
1496 depth 1495: r = 1
1497 depth 1496: r = 1
1498 depth 1497: r = 1
1499 depth 1498: r = 1
1500 depth 1499: r = 1
1501 depth 1500: r = 1
1502 depth 1501: r = 1
1503 depth 1502: r = 1
1504 depth 1503: r = 1
1505 depth 1504: r = 1
1506 depth 1505: r = 1
1507 depth 1506: r = 1
1508 depth 1507: r = 1
1509 depth 1508: r = 1
1510 depth 1509: r = 1
1511 depth 1510: r = 1
1512 depth 1511: r = 1
1513 depth 1512: r = 1
1514 depth 1513: r = 1
1515 depth 1514: r = 1
1516 depth 1515: r = 1
1517 depth 1516: r = 1
1518 depth 1517: r = 1
1519 depth 1518: r = 1
1520 depth 1519: r = 1
1521 depth 1520: r = 1
1522 depth 1521: r = 1
1523 depth 1522: r = 1
1524 depth 1523: r = 1
1525 depth 1524: r = 1
1526 depth 1525: r = 1
1527 depth 1526: r = 1
1528 depth 1527: r = 1
1529 depth 1528: r = 1
1530 depth 1529: r = 1
1531 depth 1530: r = 1
1532 depth 1531: r = 1
1533 depth 1532: r = 1
1534 depth 1533: r = 1
1535 depth 1534: r = 1
1536 depth 1535: r = 1
1537 depth 1536: r = 1
1538 depth 1537: r = 1
1539 depth 1538: r = 1
1540 depth 1539: r = 1
1541 depth 1540: r = 1
1542 depth 1541: r = 1
1543 depth 1542: r = 1
1544 depth 1543: r = 1
1545 depth 1544: r = 1
1546 depth 1545: r = 1
1547 depth 1546: r = 1
1548 depth 1547: r = 1
1549 depth 1548: r = 1
1550 depth 1549: r = 1
1551 depth 1550: r = 1
1552 depth 1551: r = 1
1553 depth 1552: r = 1
1554 depth 1553: r = 1
1555 depth 1554: r = 1
1556 depth 1555: r = 1
1557 depth 1556: r = 1
1558 depth 1557: r = 1
1559 depth 1558: r = 1
1560 depth 1559: r = 1
1561 depth 1560: r = 1
1562 depth 1561: r = 1
1563 depth 1562: r = 1
1564 depth 1563: r = 1
1565 depth 1564: r = 1
1566 depth 1565: r = 1
1567 depth 1566: r = 1
1568 depth 1567: r = 1
1569 depth 1568: r = 1
1570 depth 1569: r = 1
1571 depth 1570: r = 1
1572 depth 1571: r = 1
1573 depth 1572: r = 1
1574 depth 1573: r = 1
1575 depth 1574: r = 1
1576 depth 1575: r = 1
1577 depth 1576: r = 1
1578 depth 1577: r = 1
1579 depth 1578: r = 1
1580 depth 1579: r = 1
1581 depth 1580: r = 1
1582 depth 1581: r = 1
1583 depth 1582: r = 1
1584 depth 1583: r = 1
1585 depth 1584: r = 1
1586 depth 1585: r = 1
1587 depth 1586: r = 1
1588 depth 1587: r = 1
1589 depth 1588: r = 1
1590 depth 1589: r = 1
1591 depth 1590: r = 1
1592 depth 1591: r = 1
1593 depth 1592: r = 1
1594 depth 1593: r = 1
1595 depth 1594: r = 1
1596 depth 1595: r = 1
1597 depth 1596: r = 1
1598 depth 1597: r = 1
1599 depth 1598: r = 1
1600 depth 1599: r = 1
1601 depth 1600: r = 1
1602 depth 1601: r = 1
1603 depth 1602: r = 1
1604 depth 1603: r = 1
1605 depth 1604: r = 1
1606 depth 1605: r = 1
1607 depth 1606: r = 1
1608 depth 1607: r = 1
1609 depth 1608: r = 1
1610 depth 1609: r = 1
1611 depth 1610: r = 1
1612 depth 1611: r = 1
1613 depth 1612: r = 1
1614 depth 1613: r = 1
1615 depth 1614: r = 1
1616 depth 1615: r = 1
1617 depth 1616: r = 1
1618 depth 1617: r = 1
1619 depth 1618: r = 1
1620 depth 1619: r = 1
1621 depth 1620: r = 1
1622 depth 1621: r = 1
1623 depth 1622: r = 1
1624 depth 1623: r = 1
1625 depth 1624: r = 1
1626 depth 1625: r = 1
1627 depth 1626: r = 1
1628 depth 1627: r = 1
1629 depth 1628: r = 1
1630 depth 1629: r = 1
1631 depth 1630: r = 1
1632 depth 1631: r = 1
1633 depth 1632: r = 1
1634 depth 1633: r = 1
1635 depth 1634: r = 1
1636 depth 1635: r = 1
1637 depth 1636: r = 1
1638 depth 1637: r = 1
1639 depth 1638: r = 1
1640 depth 1639: r = 1
1641 depth 1640: r = 1
1642 depth 1641: r = 1
1643 depth 1642: r = 1
1644 depth 1643: r = 1
1645 depth 1644: r = 1
1646 depth 1645: r = 1
1647 depth 1646: r = 1
1648 depth 1647: r = 1
1649 depth 1648: r = 1
1650 depth 1649: r = 1
1651 depth 1650: r = 1
1652 depth 1651: r = 1
1653 depth 1652: r = 1
1654 depth 1653: r = 1
1655 depth 1654: r = 1
1656 depth 1655: r = 1
1657 depth 1656: r = 1
1658 depth 1657: r = 1
1659 depth 1658: r = 1
1660 depth 1659: r = 1
1661 depth 1660: r = 1
1662 depth 1661: r = 1
1663 depth 1662: r = 1
1664 depth 1663: r = 1
1665 depth 1664: r = 1
1666 depth 1665: r = 1
1667 depth 1666: r = 1
1668 depth 1667: r = 1
1669 depth 1668: r = 1
1670 depth 1669: r = 1
1671 depth 1670: r = 1
1672 depth 1671: r = 1
1673 depth 1672: r = 1
1674 depth 1673: r = 1
1675 depth 1674: r = 1
1676 depth 1675: r = 1
1677 depth 1676: r = 1
1678 depth 1677: r = 1
1679 depth 1678: r = 1
1680 depth 1679: r = 1
1681 depth 1680: r = 1
1682 depth 1681: r = 1
1683 depth 1682: r = 1
1684 depth 1683: r = 1
1685 depth 1684: r = 1
1686 depth 1685: r = 1
1687 depth 1686: r = 1
1688 depth 1687: r = 1
1689 depth 1688: r = 1
1690 depth 1689: r = 1
1691 depth 1690: r = 1
1692 depth 1691: r = 1
1693 depth 1692: r = 1
1694 depth 1693: r = 1
1695 depth 1694: r = 1
1696 depth 1695: r = 1
1697 depth 1696: r = 1
1698 depth 1697: r = 1
1699 depth 1698: r = 1
1700 depth 1699: r = 1
1701 depth 1700: r = 1
1702 depth 1701: r = 1
1703 depth 1702: r = 1
1704 depth 1703: r = 1
1705 depth 1704: r = 1
1706 depth 1705: r = 1
1707 depth 1706: r = 1
1708 depth 1707: r = 1
1709 depth 1708: r = 1
1710 depth 1709: r = 1
1711 depth 1710: r = 1
1712 depth 1711: r = 1
1713 depth 1712: r = 1
1714 depth 1713: r = 1
1715 depth 1714: r = 1
1716 depth 1715: r = 1
1717 depth 1716: r = 1
1718 depth 1717: r = 1
1719 depth 1718: r = 1
1720 depth 1719: r = 1
1721 depth 1720: r = 1
1722 depth 1721: r = 1
1723 depth 1722: r = 1
1724 depth 1723: r = 1
1725 depth 1724: r = 1
1726 depth 1725: r = 1
1727 depth 1726: r = 1
1728 depth 1727: r = 1
1729 depth 1728: r = 1
1730 depth 1729: r = 1
1731 depth 1730: r = 1
1732 depth 1731: r = 1
1733 depth 1732: r = 1
1734 depth 1733: r = 1
1735 depth 1734: r = 1
1736 depth 1735: r = 1
1737 depth 1736: r = 1
1738 depth 1737: r = 1
1739 depth 1738: r = 1
1740 depth 1739: r = 1
1741 depth 1740: r = 1
1742 depth 1741: r = 1
1743 depth 1742: r = 1
1744 depth 1743: r = 1
1745 depth 1744: r = 1
1746 depth 1745: r = 1
1747 depth 1746: r = 1
1748 depth 1747: r = 1
1749 depth 1748: r = 1
1750 depth 1749: r = 1
1751 depth 1750: r = 1
1752 depth 1751: r = 1
1753 depth 1752: r = 1
1754 depth 1753: r = 1
1755 depth 1754: r = 1
1756 depth 1755: r = 1
1757 depth 1756: r = 1
1758 depth 1757: r = 1
1759 depth 1758: r = 1
1760 depth 1759: r = 1
1761 depth 1760: r = 1
1762 depth 1761: r = 1
1763 depth 1762: r = 1
1764 depth 1763: r = 1
1765 depth 1764: r = 1
1766 depth 1765: r = 1
1767 depth 1766: r = 1
1768 depth 1767: r = 1
1769 depth 1768: r = 1
1770 depth 1769: r = 1
1771 depth 1770: r = 1
1772 depth 1771: r = 1
1773 depth 1772: r = 1
1774 depth 1773: r = 1
1775 depth 1774: r = 1
1776 depth 1775: r = 1
1777 depth 1776: r = 1
1778 depth 1777: r = 1
1779 depth 1778: r = 1
1780 depth 1779: r = 1
1781 depth 1780: r = 1
1782 depth 1781: r = 1
1783 depth 1782: r = 1
1784 depth 1783: r = 1
1785 depth 1784: r = 1
1786 depth 1785: r = 1
1787 depth 1786: r = 1
1788 depth 1787: r = 1
1789 depth 1788: r = 1
1790 depth 1789: r = 1
1791 depth 1790: r = 1
1792 depth 1791: r = 1
1793 depth 1792: r = 1
1794 depth 1793: r = 1
1795 depth 1794: r = 1
1796 depth 1795: r = 1
1797 depth 1796: r = 1
1798 depth 1797: r = 1
1799 depth 1798: r = 1
1800 depth 1799: r = 1
1801 depth 1800: r = 1
1802 depth 1801: r = 1
1803 depth 1802: r = 1
1804 depth 1803: r = 1
1805 depth 1804: r = 1
1806 depth 1805: r = 1
1807 depth 1806: r = 1
1808 depth 1807: r = 1
1809 depth 1808: r = 1
1810 depth 1809: r = 1
1811 depth 1810: r = 1
1812 depth 1811: r = 1
1813 depth 1812: r = 1
1814 depth 1813: r = 1
1815 depth 1814: r = 1
1816 depth 1815: r = 1
1817 depth 1816: r = 1
1818 depth 1817: r = 1
1819 depth 1818: r = 1
1820 depth 1819: r = 1
1821 depth 1820: r = 1
1822 depth 1821: r = 1
1823 depth 1822: r = 1
1824 depth 1823: r = 1
1825 depth 1824: r = 1
1826 depth 1825: r = 1
1827 depth 1826: r = 1
1828 depth 1827: r = 1
1829 depth 1828: r = 1
1830 depth 1829: r = 1
1831 depth 1830: r = 1
1832 depth 1831: r = 1
1833 depth 1832: r = 1
1834 depth 1833: r = 1
1835 depth 1834: r = 1
1836 depth 1835: r = 1
1837 depth 1836: r = 1
1838 depth 1837: r = 1
1839 depth 1838: r = 1
1840 depth 1839: r = 1
1841 depth 1840: r = 1
1842 depth 1841: r = 1
1843 depth 1842: r = 1
1844 depth 1843: r = 1
1845 depth 1844: r = 1
1846 depth 1845: r = 1
1847 depth 1846: r = 1
1848 depth 1847: r = 1
1849 depth 1848: r = 1
1850 depth 1849: r = 1
1851 depth 1850: r = 1
1852 depth 1851: r = 1
1853 depth 1852: r = 1
1854 depth 1853: r = 1
1855 depth 1854: r = 1
1856 depth 1855: r = 1
1857 depth 1856: r = 1
1858 depth 1857: r = 1
1859 depth 1858: r = 1
1860 depth 1859: r = 1
1861 depth 1860: r = 1
1862 depth 1861: r = 1
1863 depth 1862: r = 1
1864 depth 1863: r = 1
1865 depth 1864: r = 1
1866 depth 1865: r = 1
1867 depth 1866: r = 1
1868 depth 1867: r = 1
1869 depth 1868: r = 1
1870 depth 1869: r = 1
1871 depth 1870: r = 1
1872 depth 1871: r = 1
1873 depth 1872: r = 1
1874 depth 1873: r = 1
1875 depth 1874: r = 1
1876 depth 1875: r = 1
1877 depth 1876: r = 1
1878 depth 1877: r = 1
1879 depth 1878: r = 1
1880 depth 1879: r = 1
1881 depth 1880: r = 1
1882 depth 1881: r = 1
1883 depth 1882: r = 1
1884 depth 1883: r = 1
1885 depth 1884: r = 1
1886 depth 1885: r = 1
1887 depth 1886: r = 1
1888 depth 1887: r = 1
1889 depth 1888: r = 1
1890 depth 1889: r = 1
1891 depth 1890: r = 1
1892 depth 1891: r = 1
1893 depth 1892: r = 1
1894 depth 1893: r = 1
1895 depth 1894: r = 1
1896 depth 1895: r = 1
1897 depth 1896: r = 1
1898 depth 1897: r = 1
1899 depth 1898: r = 1
1900 depth 1899: r = 1
1901 depth 1900: r = 1
1902 depth 1901: r = 1
1903 depth 1902: r = 1
1904 depth 1903: r = 1
1905 depth 1904: r = 1
1906 depth 1905: r = 1
1907 depth 1906: r = 1
1908 depth 1907: r = 1
1909 depth 1908: r = 1
1910 depth 1909: r = 1
1911 depth 1910: r = 1
1912 depth 1911: r = 1
1913 depth 1912: r = 1
1914 depth 1913: r = 1
1915 depth 1914: r = 1
1916 depth 1915: r = 1
1917 depth 1916: r = 1
1918 depth 1917: r = 1
1919 depth 1918: r = 1
1920 depth 1919: r = 1
1921 depth 1920: r = 1
1922 depth 1921: r = 1
1923 depth 1922: r = 1
1924 depth 1923: r = 1
1925 depth 1924: r = 1
1926 depth 1925: r = 1
1927 depth 1926: r = 1
1928 depth 1927: r = 1
1929 depth 1928: r = 1
1930 depth 1929: r = 1
1931 depth 1930: r = 1
1932 depth 1931: r = 1
1933 depth 1932: r = 1
1934 depth 1933: r = 1
1935 depth 1934: r = 1
1936 depth 1935: r = 1
1937 depth 1936: r = 1
1938 depth 1937: r = 1
1939 depth 1938: r = 1
1940 depth 1939: r = 1
1941 depth 1940: r = 1
1942 depth 1941: r = 1
1943 depth 1942: r = 1
1944 depth 1943: r = 1
1945 depth 1944: r = 1
1946 depth 1945: r = 1
1947 depth 1946: r = 1
1948 depth 1947: r = 1
1949 depth 1948: r = 1
1950 depth 1949: r = 1
1951 depth 1950: r = 1
1952 depth 1951: r = 1
1953 depth 1952: r = 1
1954 depth 1953: r = 1
1955 depth 1954: r = 1
1956 depth 1955: r = 1
1957 depth 1956: r = 1
1958 depth 1957: r = 1
1959 depth 1958: r = 1
1960 depth 1959: r = 1
1961 depth 1960: r = 1
1962 depth 1961: r = 1
1963 depth 1962: r = 1
1964 depth 1963: r = 1
1965 depth 1964: r = 1
1966 depth 1965: r = 1
1967 depth 1966: r = 1
1968 depth 1967: r = 1
1969 depth 1968: r = 1
1970 depth 1969: r = 1
1971 depth 1970: r = 1
1972 depth 1971: r = 1
1973 depth 1972: r = 1
1974 depth 1973: r = 1
1975 depth 1974: r = 1
1976 depth 1975: r = 1
1977 depth 1976: r = 1
1978 depth 1977: r = 1
1979 depth 1978: r = 1
1980 depth 1979: r = 1
1981 depth 1980: r = 1
1982 depth 1981: r = 1
1983 depth 1982: r = 1
1984 depth 1983: r = 1
1985 depth 1984: r = 1
1986 depth 1985: r = 1
1987 depth 1986: r = 1
1988 depth 1987: r = 1
1989 depth 1988: r = 1
1990 depth 1989: r = 1
1991 depth 1990: r = 1
1992 depth 1991: r = 1
1993 depth 1992: r = 1
1994 depth 1993: r = 1
1995 depth 1994: r = 1
1996 depth 1995: r = 1
1997 depth 1996: r = 1
1998 depth 1997: r = 1
1999 depth 1998: r = 1
2000 depth 1999: r = 1