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1?31??2????????2??,????????????????????????,???????????,????2~4?,??6???????????????,??????????????????,?????????

2????????????2????????3????,??????????,??4~6?,?????????????????????????6~8?,??4~5??,????????????????7~8?????????6~8????????????9????????????????,?,?????????????????????,?5~7??????8~10???????????????,?????11???

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1???31????08??????2??1??????08?,????????????????????????????????????????,??????,????????????????????????????????????(10~15?)??????????????????????????,?(25~30????)????????????????????????5~7????????????8~10?????????11???

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2?1???????????????08??????????????2????08????,??????????????????????????????,??,??????????????(5~7???????????)???????????????????????????????????5~7?????????????????????????????8~10???

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