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x..x......x...x...xx
x.ox.o.o.xx===o..o.x
x..o..x.xx====x.o..x
x.xx.o.xx====x...o.x
x.o....x====xx.o...x
x.oxx..x===x.......x
x...oooxxoxx..xxx.xx
x.x.x..x...x..x....x
x.o.x..o..xx.......x
x....x....x+.......x
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