d:"10111011111001111"-"0"
s:272

,/${~2!#x}(=/'0N 2#)/s#{s>#x}{x,0,~|x}/d	/ 11101010111100010

s:35651584

,/${~2!#x}(=/'0N 2#)/s#{s>#x}{x,0,~|x}/d	/ 01001101001000101