1XXXX11212111110
1X1X21121X12X110
2XX2X11111121110
2X11112X121X1X10
21X1X1X1X1122210
XX11X11XX2X21220
XX11112X2111X220
X1X1212212XX1220
X112211XX1112220
2111X11211XX2120
XX1121X112X21221
X1121112XX122121
1X12X11X211XX221
1X1211XXX112X121
