220期：取少次
共0次:05,10,15,29,38,39,43,48,(8码)主
共1次:03,04,06,12,14,17,18,19,20,22,
33,34,46,47,49,(15码)次
共2次:07,08,09,13,25,32,35,37,41,(9码)防
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共3次:21,23,(2码)X
共4次:30,40,42,45,(4码)XX
共5次:02,11,24,26,28,31,(6码)XXX
共7次:27,36,44,(3码)XXXX
共8次:01,16,(2码XXXXX