BBBB RRRR OOOOO W W N N IIIII *************
B B R R O O W W NNN N IIIII *************
BBBBB RRRRR O O W W W N N N IIIII *************
B BB RR O O W W W N NNN IIIII ************
B B R R O O W W W N NN IIIII *************
BBBB R RR OOOOO WWWWW N N IIIII *************