ton/crypto/func/test/a12_2.fc

_ f(int a, int b, int c, int d, int e, int f, int g, int h, int i, int j) {
  return (f, d, j, a, i, g, b, e, h, c);   ;; optimal code is 4 ops, 6 bytes
  ;; s1 s8 XCHG  s1 s6 XCHG  7 3 BLKSWAP  s9 s4 XCHG2
}