{

  if (N >= 2)

    for (int c0 = 1; c0 < O; c0 += 1) {

      for (int c3 = 1; c3 <= M; c3 += 1)

        S1(c0, 1, c3);

      for (int c3 = 1; c3 < M; c3 += 1) {

        S6(c0, 1, c3);

        S7(c0, 1, c3);

      }

      if (N >= 3) {

        for (int c3 = 1; c3 <= M; c3 += 1)

          S3(c0, 1, c3);

        for (int c3 = 1; c3 <= M; c3 += 1)

          S1(c0, 2, c3);

        for (int c3 = 1; c3 < M; c3 += 1) {

          S6(c0, 2, c3);

          S7(c0, 2, c3);

        }

        for (int c3 = 1; c3 < M; c3 += 1)

          S11(c0, 1, c3);

      } else {

        for (int c3 = 1; c3 <= M; c3 += 1)

          S3(c0, 1, c3);

        for (int c3 = 1; c3 < M; c3 += 1)

          S11(c0, 1, c3);

      }

      for (int c1 = 3; c1 < 2 * N - 4; c1 += 2) {

        for (int c3 = 1; c3 < M; c3 += 1)

          S10(c0, (c1 - 1) / 2, c3);

        for (int c3 = 1; c3 <= M; c3 += 1)

          S3(c0, (c1 + 1) / 2, c3);

        for (int c3 = 1; c3 <= M; c3 += 1)

          S1(c0, (c1 + 3) / 2, c3);

        for (int c3 = 1; c3 < M; c3 += 1) {

          S6(c0, (c1 + 3) / 2, c3);

          S7(c0, (c1 + 3) / 2, c3);

        }

        for (int c3 = 1; c3 < M; c3 += 1)

          S11(c0, (c1 + 1) / 2, c3);

      }

      if (N >= 3) {

        for (int c3 = 1; c3 < M; c3 += 1)

          S10(c0, N - 2, c3);

        for (int c3 = 1; c3 <= M; c3 += 1)

          S3(c0, N - 1, c3);

        for (int c3 = 1; c3 < M; c3 += 1)

          S11(c0, N - 1, c3);

      }

      for (int c3 = 1; c3 < M; c3 += 1)

        S10(c0, N - 1, c3);

    }

  for (int c0 = 1; c0 < O; c0 += 1)

    for (int c1 = 1; c1 < N; c1 += 1) {

      for (int c3 = 1; c3 <= M; c3 += 1)

        S2(c0, c1, c3);

      for (int c3 = 1; c3 < M; c3 += 1)

        S8(c0, c1, c3);

      for (int c3 = 1; c3 < M; c3 += 1)

        S9(c0, c1, c3);

    }

  for (int c0 = 1; c0 < O; c0 += 1)

    for (int c1 = 1; c1 < N; c1 += 1)

      for (int c2 = 1; c2 < M; c2 += 1)

        S4(c0, c1, c2);

  for (int c0 = 1; c0 < O; c0 += 1)

    for (int c1 = 1; c1 < N; c1 += 1)

      for (int c2 = 1; c2 < M; c2 += 1)

        S5(c0, c1, c2);

  for (int c0 = R; c0 < O; c0 += 1)

    for (int c1 = Q; c1 < N; c1 += 1)

      for (int c2 = P; c2 < M; c2 += 1)

        S12(c0, c1, c2);

  for (int c0 = R; c0 < O; c0 += 1)

    for (int c1 = Q; c1 < N; c1 += 1)

      for (int c2 = 1; c2 < M; c2 += 1)

        S13(c0, c1, c2);

  for (int c0 = R; c0 < O; c0 += 1)

    for (int c1 = 1; c1 < N; c1 += 1)

      for (int c2 = P; c2 < M; c2 += 1)

        S14(c0, c1, c2);

  for (int c0 = R; c0 < O; c0 += 1)

    for (int c1 = 1; c1 < N; c1 += 1)

      for (int c2 = 1; c2 < M; c2 += 1)

        S15(c0, c1, c2);

}