1 for (int c1 = 0; c1 <= 51; c1 += 1) 2 S2(0, c1); 3 for (int c0 = 1; c0 <= 24; c0 += 1) { 4 S2(c0, 0); 5 for (int c1 = 1; c1 <= 50; c1 += 1) 6 S1(c0, c1); 7 S2(c0, 51); 8 } 9 for (int c1 = 0; c1 <= 51; c1 += 1) 10 S2(25, c1); 11