1111X12X2X1X11M1
1111X12X2X1X2XM1
1112X1XX2X1X1XM1
1X11X1XX2X1X1XM1
1X12X1XX2X1X21M1
1X12X12X2X1X1XM1
X111X1XX2X1X21M1
X111X12X2X1X1XM1
X112X12X2X1X21M1
XX11X12X2X1X21M1
XX12X1XX2X1X11M1
XX12X1XX2X1X2XM1
