c ccc ccccc ccccccccc ccc
kkkkkkkk b ccc
    	  vvvv ccc c ccccccc ccc cccc
    	  vvvv ccc c ccccccc ccc cccc
         b o ccc
    ffffffffffffffffffffffffffffffffffbvvvD ccc c ccccccc ccc ccc
    	                               vvv  ccc c ccccccc ccc ccc
		                      b
    vvvv o dddD
    vvvv o dddD
kkk
