021..........1.2组7次以下【544】
〓〓〓〓〓〓〓〓【40行数据 总185码 平均3.77次】〓〓〓〓〓〓〓〓
共2次：03,16,39, =３码'///////////
共3次：06,09,10,17,24,25,27,29,30,31,37,40,45,47,49, =１５码++++++++++
共4次：01,05,07,13,18,19,20,21,22,23,28,32,33,34,35,41,42,43,44,46,48, =２１码
共5次：02,04,08,11,12,14,15,26,36,38, =１０码.