121X1X21X1X212M1
1X11121X1221X221
X212X211X1X12X21
X11112X112112X22
2X1211112122X1M0
222111112XXX21M1
2X1121X111X2XX10
211XX221X11X2210
2XX1111X21122XM1
1211212X11XX21MM
