for (int c0 = 0; c0 <= 1; c0 += 1) {
  for (int c1 = 0; c1 < length - 1; c1 += 32) {
    for (int c2 = c1; c2 < length; c2 += 32) {
      if (c1 == 0)
        for (int c3 = 0; c3 <= min(length, 2 * c2 - 31); c3 += 32)
          for (int c5 = 0; c5 <= min(31, length - c2 - 1); c5 += 1)
            for (int c6 = max(0, -c3 + 1); c6 <= min(31, length - c3); c6 += 1)
              S_0(c0, c2 + c5, c3 + c6 - 1);
      for (int c3 = 2 * c2; c3 <= min(2 * length - 2, 2 * c2 + 62); c3 += 32)
        for (int c4 = 0; c4 <= min(min(31, length - c1 - 2), (c3 / 2) - c1 + 14); c4 += 1) {
          if (c1 == 0 && c2 == 0 && c4 == 0)
            for (int c6 = max(0, -c3 + 1); c6 <= min(31, length - c3); c6 += 1)
              S_0(c0, 0, c3 + c6 - 1);
          if (c1 == 0 && c3 == 2 * c2 + 32 && c4 == 0)
            for (int c5 = max(0, -c2 + 1); c5 <= 15; c5 += 1)
              for (int c6 = 0; c6 <= min(31, length - 2 * c2 - 32); c6 += 1)
                S_0(c0, c2 + c5, 2 * c2 + c6 + 31);
          for (int c5 = max((c3 / 2) - c2, c1 - c2 + c4 + 1); c5 <= min(length - c2 - 1, (c3 / 2) - c2 + 15); c5 += 1) {
            if (c1 == 0 && c4 == 0)
              for (int c6 = max(0, -c3 + 1); c6 <= min(length - c3, 2 * c2 - c3 + 2 * c5 - 1); c6 += 1)
                S_0(c0, c2 + c5, c3 + c6 - 1);
            S_3(c0, c1 + c4, c2 + c5);
            if (c1 == 0 && c4 == 0 && length >= 2 * c2 + 2 * c5)
              S_0(c0, c2 + c5, 2 * c2 + 2 * c5 - 1);
            if (c1 == 0 && c4 == 0)
              for (int c6 = 2 * c2 - c3 + 2 * c5 + 1; c6 <= min(31, length - c3); c6 += 1)
                S_0(c0, c2 + c5, c3 + c6 - 1);
          }
          if (c1 == 0 && c3 == 2 * c2 && c4 == 0)
            for (int c5 = 16; c5 <= min(31, length - c2 - 1); c5 += 1)
              for (int c6 = max(0, -2 * c2 + 1); c6 <= min(31, length - 2 * c2); c6 += 1)
                S_0(c0, c2 + c5, 2 * c2 + c6 - 1);
          if (c1 == 0 && c3 + 30 >= 2 * length && c4 == 0)
            S_4(c0);
        }
      if (c1 == 0) {
        for (int c3 = 2 * c2 + 64; c3 <= length; c3 += 32)
          for (int c5 = 0; c5 <= 31; c5 += 1)
            for (int c6 = 0; c6 <= min(31, length - c3); c6 += 1)
              S_0(c0, c2 + c5, c3 + c6 - 1);
        if (c2 + 16 == length)
          S_4(c0);
      }
    }
    if (c1 == 0 && length % 32 == 0)
      S_4(c0);
  }
  if (length <= 1) {
    if (length == 1)
      S_0(c0, 0, 0);
    S_4(c0);
  }
}