static void fesquare(uint64_t out[6], const uint64_t in1[6]) {
  { const uint64_t x9 = in1[5];
  { const uint64_t x10 = in1[4];
  { const uint64_t x8 = in1[3];
  { const uint64_t x6 = in1[2];
  { const uint64_t x4 = in1[1];
  { const uint64_t x2 = in1[0];
  { uint128_t x11 = ((0x2 * ((uint128_t)(x6 + x9) * (x6 + x9))) - (0x2 * ((uint128_t)x6 * x6)));
  { uint128_t x12 = (((0x2 * ((uint128_t)(x4 + x10) * (x6 + x9))) + (0x2 * ((uint128_t)(x6 + x9) * (x4 + x10)))) - ((0x2 * ((uint128_t)x4 * x6)) + (0x2 * ((uint128_t)x6 * x4))));
  { uint128_t x13 = ((((uint128_t)(x2 + x8) * (x6 + x9)) + (((uint128_t)(x4 + x10) * (x4 + x10)) + ((uint128_t)(x6 + x9) * (x2 + x8)))) - (((uint128_t)x2 * x6) + (((uint128_t)x4 * x4) + ((uint128_t)x6 * x2))));
  { uint128_t x14 = ((((uint128_t)(x2 + x8) * (x4 + x10)) + ((uint128_t)(x4 + x10) * (x2 + x8))) - (((uint128_t)x2 * x4) + ((uint128_t)x4 * x2)));
  { uint128_t x15 = (((uint128_t)(x2 + x8) * (x2 + x8)) - ((uint128_t)x2 * x2));
  { uint128_t x16 = ((((0x2 * ((uint128_t)x6 * x6)) + (0x2 * ((uint128_t)x9 * x9))) + x14) + x11);
  { uint128_t x17 = (((((0x2 * ((uint128_t)x4 * x6)) + (0x2 * ((uint128_t)x6 * x4))) + ((0x2 * ((uint128_t)x10 * x9)) + (0x2 * ((uint128_t)x9 * x10)))) + x15) + x12);
  { uint128_t x18 = ((((uint128_t)x2 * x6) + (((uint128_t)x4 * x4) + ((uint128_t)x6 * x2))) + (((uint128_t)x8 * x9) + (((uint128_t)x10 * x10) + ((uint128_t)x9 * x8))));
  { uint128_t x19 = (((((uint128_t)x2 * x4) + ((uint128_t)x4 * x2)) + (((uint128_t)x8 * x10) + ((uint128_t)x10 * x8))) + x11);
  { uint128_t x20 = ((((uint128_t)x2 * x2) + ((uint128_t)x8 * x8)) + x12);
  { uint64_t x21 = (uint64_t) (x18 >> 0x35);
  { uint64_t x22 = ((uint64_t)x18 & 0x1fffffffffffff);
  { uint64_t x23 = (uint64_t) (x13 >> 0x35);
  { uint64_t x24 = ((uint64_t)x13 & 0x1fffffffffffff);
  { uint128_t x25 = (((uint128_t)0x20000000000000 * x23) + x24);
  { uint64_t x26 = (uint64_t) (x25 >> 0x35);
  { uint64_t x27 = ((uint64_t)x25 & 0x1fffffffffffff);
  { uint128_t x28 = ((x21 + x17) + x26);
  { uint64_t x29 = (uint64_t) (x28 >> 0x36);
  { uint64_t x30 = ((uint64_t)x28 & 0x3fffffffffffff);
  { uint128_t x31 = (x20 + x26);
  { uint64_t x32 = (uint64_t) (x31 >> 0x36);
  { uint64_t x33 = ((uint64_t)x31 & 0x3fffffffffffff);
  { uint128_t x34 = (x29 + x16);
  { uint64_t x35 = (uint64_t) (x34 >> 0x36);
  { uint64_t x36 = ((uint64_t)x34 & 0x3fffffffffffff);
  { uint128_t x37 = (x32 + x19);
  { uint64_t x38 = (uint64_t) (x37 >> 0x36);
  { uint64_t x39 = ((uint64_t)x37 & 0x3fffffffffffff);
  { uint64_t x40 = (x35 + x27);
  { uint64_t x41 = (x40 >> 0x35);
  { uint64_t x42 = (x40 & 0x1fffffffffffff);
  { uint64_t x43 = (x38 + x22);
  { uint64_t x44 = (x43 >> 0x35);
  { uint64_t x45 = (x43 & 0x1fffffffffffff);
  { uint64_t x46 = ((0x20000000000000 * x41) + x42);
  { uint64_t x47 = (x46 >> 0x35);
  { uint64_t x48 = (x46 & 0x1fffffffffffff);
  { uint64_t x49 = ((x44 + x30) + x47);
  { uint64_t x50 = (x49 >> 0x36);
  { uint64_t x51 = (x49 & 0x3fffffffffffff);
  { uint64_t x52 = (x33 + x47);
  { uint64_t x53 = (x52 >> 0x36);
  { uint64_t x54 = (x52 & 0x3fffffffffffff);
  out[0] = x54;
  out[1] = (x53 + x39);
  out[2] = x45;
  out[3] = x51;
  out[4] = (x50 + x36);
  out[5] = x48;
  }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
}