1 for (int c0 = 2; c0 <= 4; c0 += 1) 2 for (int c1 = 2; c1 <= 9; c1 += 1) 3 s0(c0, c1); 4 for (int c0 = 5; c0 <= 9; c0 += 1) { 5 s1(c0, 1); 6 for (int c1 = 2; c1 <= 9; c1 += 1) { 7 s1(c0, c1); 8 s0(c0, c1); 9 } 10 } 11