Пользовательского поиска

__________________BB______________BBB
_________________BBBBB___________BBBBB
_________________BB__BBBBBB___BBBB__BBB
_________B______BB_______BBBBBB_______BB
_________BBB____BB_________BB__________BBBBBBBB
________BB__BBBBBB______________________BBBBBBBBBBBBBBBB
________0B______BB____BBBBBBB0B_____________________BBB
________BB________BBBBB_______BBBBBBBB______________BB0
__BBBBBBBBBB___BBBBBBBBBB____________0BBB0_________BBB
_BB______BB0B0BB________BBB_BBBBBBB______BB0______BBB
_BB________BB_B__________BBBB_____BB______BBB0____BB0_
_BBBBB0___0B__BB_____000_BB________BBBBBBBBBBB______BBB_
____BBBBBBB____B_____000_BB_00_____BB________BBB______BBB_
_________BB_____BBBBBBBBBBB000_____BB________BBB________BBB_
_________BB____________BBBB_BBBBBBBB__________BB__________BBB
_________BB________BB_________________________BB________BBBB
__________BB_______BBB_BBB____________________BBB____BBBBB
__________BBB________BBB____________________BBBBBBBBBBB
___________BBB_____________________________BB___BBB0
_____________BBBB_____________________BBBBBB______BB0
________________0BBBB_______________BBBBBBBBBBB___BBB
____________________BBBBBBBBBBBBBBBBBBBB______BBBBB
________________________BBBBB__B__BBBB
____________________BBBBB_____BB____BBB_
___________________BB________BBBB____BBB
___________________BBBB___BBB__BBBB__BBB
______________________BBBB_______BBBBBB