万位为2：20188,20818,20881,21088,21808,21880,28018,28081,28108,28180,28801,28810（共12个，为万位为1的排列互换1,2位置所得）万位为8：8012,8021,8102,8120,8201,8210,81028,81082,81208,81280,81802,81820,82018,82081,82108,82180,82801,82810,80218,80281,80128,80182,80821,80812（共24个...