1 @CO xx has been encoded using the SAM spec; leftmost to rightmost
2 @CO yy has been encoded using bwa/picard methods; 5' to 3'
4 @CO 00000000011111111112
5 @CO 12345678901234567890
6 @CO AAAAAAAAAATTTTTTTTTT
12 @CO 1>>>> x3 (7..15 vs 10..11)
15 @CO <<<<2 1>>>> x4 (1..20 vs 16..5)
19 x1 99 xx 1 1 5M = 16 20 AAAAA *****
20 x1 147 xx 16 1 5M = 1 -20 TTTTT *****
21 x2 99 xx 7 1 5M = 10 8 AAAAT *****
22 x2 147 xx 10 1 5M = 7 -8 ATTTT *****
23 x3 147 xx 7 1 5M = 10 8 AAAAT *****
24 x3 99 xx 10 1 5M = 7 -8 ATTTT *****
25 x4 147 xx 1 1 5M = 16 20 AAAAA *****
26 x4 99 xx 16 1 5M = 1 -20 TTTTT *****
27 y1 99 yy 1 1 5M = 16 20 AAAAA *****
28 y1 147 yy 16 1 5M = 1 -20 TTTTT *****
29 y2 99 yy 7 1 5M = 10 8 AAAAT *****
30 y2 147 yy 10 1 5M = 7 -8 ATTTT *****
31 y3 147 yy 7 1 5M = 10 -2 AAAAT *****
32 y3 99 yy 10 1 5M = 7 2 ATTTT *****
33 y4 147 yy 1 1 5M = 16 10 AAAAA *****
34 y4 99 yy 16 1 5M = 1 -10 TTTTT *****