permP :: V.Vector Word64 -> V.Vector Word64
permP x = V.foldl' rnd512P x (V.enumFromStepN 0 0x0100000000000000 10)
permP :: V.Vector Word64 -> V.Vector Word64
permP x = V.foldl' rnd512P x (V.enumFromStepN 0 0x0100000000000000 10)
permP x = V.foldl' rnd512P x (V.enumFromStepN 0 0x0100000000000000 10)