1 for (int c0 = 2; c0 < O; c0 += 1) 2 for (int c1 = 3; c1 < 2 * N - 2; c1 += 2) { 3 for (int c3 = 1; c3 <= M; c3 += 1) { 4 S1(c0, (c1 + 1) / 2, c3); 5 S2(c0, (c1 + 1) / 2, c3); 6 } 7 for (int c3 = 2; c3 < M; c3 += 1) 8 S3(c0, (c1 + 1) / 2, c3); 9 } 10