UJI7ISULWBM24NVDORMLOSCU5VQCCUUYDDKP7WYYMIPGJGOLRI3AC
PMF36FUOINXVVNP5XW6ZOFPPWFBRK62O4VCX45NE4Y4GDPL2Z3BQC
VRPOSMITS7VRSIJU6YNEBELCUBTHPMPJD6F6F5PE35R2KECS42KAC
d = bit $ x `xor` y
d = bit $ x .^. y
b = n `xor` aD
b = n .^. aD