through digging in other post i think this guy and hisn other posts have a huge kjey in this
They begin with a "1":
Puzzle 65 is 21.439643985050658 times the puzzle 61.
Puzzle 61 is 10.313427000231762 times the puzzle 57.
Puzzle 57 is 20.439417260448156 times the puzzle 53.
Puzzle 53 is 16.532318326723157 times the puzzle 49.
Puzzle 65 times 10 is starting point 0x109236ec1238f81406.
Puzzle 65 times 20 is starting point 0x21246dd82471f0280c.
These are each 4th that are starting with "1".
Each other by 4th are also similar when multiplying.