Puzzle 7's binary values all start and end with 1, curious indeed.
['0b11100111', '0b11001111', '0b11101001', '0b11011011', '0b11000111', '0b11001001', '0b11100011', '0b11010001', '0b11011011', '0b11001101']
but dropping one of the bits doesn't seem to result in a sensible result.