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2??=1-1???? ??4??=1???? 1????=2?????

6??=1???? 5??=2???? 7????=1????

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10??=1????

2????=1-1??? 5????=1???? 1????=1????

7??=1???? 1??=1?????

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2??=1-1???? 3??=1????

2??=1???? 8??=1???? 3??=1???? 15??=1????

4??=7????

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