1111X11211111221
211X211X12121XM1
121X111211X11X20
X211211211111220
1211211211111220
1X12211211111122
X211X112X12X12M0
X211X112111X1XM0
12X122X12X11X21M
121121111X11222M
X21211XX11211120
12212X2211111220
