2 for (int c1
= 1; c1
<= M
; c1
+= 1) {
4 for (int c2
= c1
+ 1; c2
<= M
; c2
+= 1)
7 for (int c0
= 1; c0
< 3 * M
- 1; c0
+= 3) {
9 for (int c1
= (c0
+ 5) / 3; c1
<= M
; c1
+= 1) {
11 for (int c4
= (c0
+ 5) / 3; c4
< c1
; c4
+= 1)
12 S5(c4
, c1
, (c0
+ 2) / 3);
14 for (int c1
= (c0
+ 5) / 3; c1
<= M
; c1
+= 1)