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v.o.o.o.o.o.o.o.o.v
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vo.o.o.o.o.o.o.o.ov
v.................v
v.o.o.o.o.o.o.o.o.v
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vo.o.o.o...o.o.o.ov
v.................v
v.o.o.o.o.o.o.o.o.v
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vo.o.o.o.o.o.o.o.ov
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v.o.o.o.o.o.o.o.o.v
vvvvvvvvvvvvvvvvvvv
9
8