排列五二定位，有序走势图，第21287期

二定图解：

定头012456原以0256

定尾123567原以1257

信息化二定：

定头：原以0256 信息化25

定尾：原以1257 信息化17

二定 头尾:0256, X, X, 1257

0XX1,0XX2,0XX5,0XX7,2XX1,2XX2,2XX5,2XX7,5XX1,5XX2,5XX5,5XX7,6XX1,6XX2,6XX5,6XX7

程序上 ABXD:0256, 34, X, 1257

03X1,03X2,03X5,03X7,04X1,04X2,04X5,04X7,23X1,23X2,23X5,23X7,24X1,24X2,24X5,24X7,53X1,53X2,53X5,53X7,54X1,54X2,54X5,54X7,63X1,63X2,63X5,63X7,64X1,64X2,64X5,64X7

程序上 AXCD:0256, X, 158, 1257

0X11,0X12,0X15,0X17,0X51,0X52,0X55,0X57,0X81,0X82,0X85,0X87,2X11,2X12,2X15,2X17,2X51,2X52,2X55,2X57,2X81,2X82,2X85,2X87,5X11,5X12,5X15,5X17,5X51,5X52,5X55,5X57,5X81,5X82,5X85,5X87,6X11,6X12,6X15,6X17,6X51,6X52,6X55,6X57,6X81,6X82,6X85,6X87