12X22111X1X21X21
21211122XXX21X21
XX1X111X12121221
1X21X11X1X121X21
X11121X111X21221
122XX121XXX21X21
X11211121XX21221
X21211X1X1121XM1
1X2XX11221X21XM1
112XX12222121XM1
2XX1111X12X21XM1
2X21X12X111212M1
12XX1111XX1212M1
121X21XXX1121XM1
1XX1X11211X21XM1
X11221X1111212M1
X2XX1112X1121XM1
X1X2112122X21XM1
1X12212X2X121XM1
1X1X11X2X11212M1
