[重点]主攻057814头,主攻493816尾.
1,排除369头,169百,167十,尾270
2,铁卒:24.29,74,79.
3,三字现:240,425.290,295.740,745,790,795.
4,二定.X2X4,X2X9,X7X4.X7X9, X3X3, X3X8, X8X3, X8X8.
5,三定,02X4.02X9,07X4,07X9,52X4,52X9,57X4,57X9,53X8,58X3.
6,直码:5244.5249,5294,5299,5744.5749,5794,5799,5843,5893.