[重点]主攻054916头,主攻164927尾.
1,排除273头,275百,018十,尾380.
2,铁卒:52,57,02,07.
3,三字现:521,526,571,576,012,026,071,076.
4,二定:5XX1,5XX6.0XX1,0XX6,0X2X,0X7X,5X2X,,5X7X,XX21.
5,三定:0X21,0X26,0X71,0X76,5X21,5X26,5X71,5X76,04X1,04X6.
6,直码:0421,0426,0471,0476,5971.5976,5921,5926,5421,5426.