{

  for (int c0 = 1; c0 <= 6; c0 += 2) {

    for (int c2 = 1; c2 <= c0; c2 += 1) {

      S1(c0, (c0 - 1) / 2, c2);

      S2(c0, (c0 - 1) / 2, c2);

    }

    for (int c2 = c0 + 1; c2 <= p; c2 += 1)

      S1(c0, (c0 - 1) / 2, c2);

  }

  for (int c0 = 7; c0 <= m; c0 += 2)

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

      S1(c0, (c0 - 1) / 2, c2);

}