不读0的1个88880000
读1个的12个80888000,88088000,88808000,80088800,88008800,
88800800,80008880,88000880,88800080,80000888,88000088,88800008
读2个的18个80808800,80880800,88080800,80080880,80088080,80800880,88008080,80880080,88080080,80080088,80088008,88008008,80800088,80880008,80008088,80008808,88000808,88080008
读3个的4个 80808080,80080808,8080080,80808008