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x..x..x.x....x..x..x
x...o......o.o.....x
xx.x..xoxxxoxx..xx.x
x...o.....o..x..o..x
x.xxxoxxox...x.o...x
x.x...o.o..xxxxxx.ox
x.o..oo.o..x+x=x===x
x.x.....x..x.x=x===x
x.xxxxxxxxxx.x=====x
x............x=====x
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