cccccccccccccccccccc
cccccccccccccccccc
cccccccccccccccccc
DDDDDDDDDDDDDDDD
jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
cccccccccccccc
................................
Jjjjjjjjjjjjjjj
cccccccccccccccccccccccc
cccccccccvvvv