1X12X21211X22221
12X212XXX1X12222
1111121XX2211101
1211X211X12212M2
1X21X1X11X212X20
X21X1211X2X12212
11XXX21121X1XX22
11122X1XX12X111M
12X1221X11222X21
1122XX1122X12121
1X1112X2X2212121
1X222111111X1122
11X221112122X121
12X2X1XX11211120
X1X1X11121X12111
