004期.╞ ②中②╡〈07,09,10,14,15,22,27,41,43,49〉=0000<准>
003期.╞ ②中②╡〈02,13,15,22,30,36,43,45,47,49〉= 中 2 个 45 15 <准>
002期.╞ ②中②╡〈02,07,17,20,23,32,33,38,39,42〉= 中 1 个 02 <错>
001期.╞ ②中②╡〈04,09,11,16,19,21,29,30,35,49〉= 中 2 个 16 21 <准>