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xxxxxxxxxxxxxxxxxxxx
xxxxx+xxx=xx===xx..x
xxxxxo..==x===x....x
xxxx....======x..o.x
xxx..o.x=====xx.x.xx
xx..oox.xxxxx..o.o.x
xx.ox.o....xx..oo..x
xx..x..x....x.o..o.x
xx...oo.xxx.xoxx...x
xx.ox......o.o..o.xx
xxx....x....x....xxx
xxxxxxxxxxxxxxxxxxxx
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