1for (int c0 = 1; c0 <= n; c0 += 1) 2 for (int c1 = 2; c1 <= n; c1 += 1) { 3 for (int c3 = 1; c3 < min(c0, c1); c3 += 1) 4 s1(c3, c1, c0); 5 if (c1 >= c0 + 1) 6 s0(c0, c1); 7 } 8