1 for (int c0
= 3; c0
< 2 * M
; c0
+= 1) {
2 for (int c1
= c0
/ 2 + 2; c1
<= M
; c1
+= 1)
3 for (int c3
= c0
/ 2 + 1; c3
< min(c0
, c1
); c3
+= 1)
5 for (int c1
= max(1, -M
+ c0
); c1
< (c0
+ 1) / 2; c1
+= 1)
7 for (int c1
= c0
/ 2 + 2; c1
<= M
; c1
+= 1)
8 for (int c3
= c0
/ 2 + 1; c3
< min(c0
, c1
); c3
+= 1)