255 -> 11111111b   (no zeros)
127 -> 01111111b   (one zero)
191 -> 10111111b
223 -> 11011111b
239 -> 11101111b
247 -> 11110111b
251 -> 11111011b
253 -> 11111101b
254 -> 11111110b
63  -> 00111111b   (two zeros)
95  -> 01011111b
111 -> 01101111b
119 -> 01110111b
123 -> 01111011b
125 -> 01111101b
126 -> 01111110b
159 -> 10011111b
...