1 for (int c0 = 1; c0 <= 8; c0 += 1) 2 for (int c1 = 0; c1 <= 7; c1 += 1) { 3 if (c0 >= 2 && c0 <= 6 && c1 <= 4) 4 s1(c0, c1); 5 if (c1 + 1 >= c0) 6 s0(c0, c1); 7 } 8