1 for (int c0 = 1; c0 <= 9; c0 += 1) { 2 if (c0 >= 6) { 3 for (int c1 = 1; c1 <= 9; c1 += 1) 4 s0(c0, c1); 5 } else if (c0 <= 4) { 6 for (int c1 = 1; c1 <= 9; c1 += 1) 7 s0(c0, c1); 8 } else { 9 for (int c1 = 1; c1 <= 9; c1 += 1) { 10 s0(5, c1); 11 s1(5, c1); 12 } 13 } 14 } 15