1122X111X2212122
XX22211X1X11X122
1122211X1X212122
XX22X111X211X122
11X211X1XXX1X122
X122XXX111111122
11X2XXX111X1X122
X12211X1XX111122
1122211112121122
2122111121212122
2X2211211XX21122
2XX221211XX21122
