1zero -> 0x1 -> zero 2one -> 0x2 -> one 3two -> 0x4 -> two 4three -> 0x8 -> three 5four -> 0x0 -> 6zero one two three four -> 0xf -> zero one two three 70xff -> 0x0 -> 80xffffffff -> 0x0 -> 90xffffffffffffffff -> 0x0 -> 10