1X1211112XXX1211
1X211X22X1121111
1212111X1XXX1111
2X121111221X1211
2112111XX21X1X11
221X1X1222111X11
2212111X121X1111
1XXX1221211X1212
1112112XX11X1X12
11211X2XX1121X12
121X1X2221111X12
121211122XXX1X12
12211X2X11121112
X2X1112X12X11121
1X121122X11X1121
1X211X12XXX21121
12XX122X111X1121
12211X1X1XX21121
2XX111X12X211221
1X1X1X22X1111122
12121122211X1X22
2X1X1X1122111222
211X1X1XX2111X22
221X1XXX1X211122
221211XX1X2X1122
