[dead]
oooooo
l ooo oooooo l
l oo oooo l
l oo oo l
l oo oo l
l o o l
l oo o l
l o o l
l oo o l
l o o l
l oo o l
l oo o l
l oo oo l
l ooo o l
l oo o o l
llllllllllllllll oo o ooooo l
lllllllllllllllllllllllll