[重点]主攻053849头,主攻163827尾.
1,排除621头,498百,018十,尾059.
2,铁卒:52,57,02,07.
3,三字现:521,526,571,576,012,026,071,076.
4,二定:5XX1,5XX6.0XX1,0XX6,X1X1,X1X6,X6X1,X6X6,56XX.
5,三定:01X1,01X6,06X1,06X6,51X1,51X6,56X1,56X6,0X31,0X36.
直码:0131,0136,0181,0186,0631.0636,0681,0686,5131,5136.