--------1111000111110001111--------
-------111110001111100011111-------
------00010000000100000001000------
-----1000000010000000100000001-----
----111100011111000111110001111----
---11111000111110001111100011111---
--0001000000010000000100000001000--
-100000001000000010000000100000001-
11110001111100011111000111110001111
11110001111100011111000111110001111
-100000001000000010000000100000001-
--0001000000010000000100000001000--
---11111000111110001111100011111---
----111100011111000111110001111----
-----1000000010000000100000001-----
------00010000000100000001000------
-------111110001111100011111-------
--------1111000111110001111--------