1 for (int c0 = 1; c0 <= n; c0 += 1) { 2 S1(c0); 3 for (int c1 = 1; c1 < c0; c1 += 1) 4 S2(c0, c1); 5 S3(c0); 6 for (int c1 = c0 + 1; c1 <= n; c1 += 1) { 7 S4(c0, c1); 8 for (int c2 = 1; c2 < c0; c2 += 1) 9 S5(c0, c1, c2); 10 S6(c0, c1); 11 } 12 } 13