X121XX11X1111100
X121XX1X2111X100
X12122112111X100
X121221XX1111100
X12XX21121111100
X12XX21XX111X100
X12X2X11X111X100
X12X2X1X21111100
2121X211X111X100
2121X21X21111100
21212X1121111100
21212X1XX111X100
212XXX112111X100
212XXX1XX1111100
212X2211X1111100
212X221X2111X100
