优化(1 << (pt - PURE_DOUBLE_CHOW))不再重复计算
优化(1 << (pt - PURE_DOUBLE_CHOW))不再重复计算

summerinsects/ChineseOfficialMahjongHelper,summerinsects/ChineseOfficialMahjongHelper,summerinsects/ChineseOfficialMahjongHelper