1 for (int c0 = 1; c0 <= 18; c0 += 1) { 2 if (c0 >= 2 && c0 <= 9) { 3 for (int c1 = 1; c1 <= 9; c1 += 1) { 4 if (c0 % 2 == 0) 5 s0(c1, c0 / 2); 6 s1(c1, c0); 7 } 8 } else if (c0 == 1) { 9 for (int c1 = 1; c1 <= 9; c1 += 1) 10 s1(c1, 1); 11 } else if (c0 % 2 == 0) { 12 for (int c1 = 1; c1 <= 9; c1 += 1) 13 s0(c1, c0 / 2); 14 } 15 } 16