X1X21X1111221X12
X2X1X211X2X21101
2221XXX111X21201
XX211X2122121120
2111X21XX2121X22
21212X1XX2XX1120
2X21121X21X21121
22112XX11X221112
2111211X1X211211
2121X21121X21101
11X1X11211211X11
XX211211XX222101
112X121121XX1120
11X111X1112X2X01
12X1X11212XX1X10
2X2121X122111101
X111XX111X122102
