2XX221211X112110
21XX111X1X121110
2112X1X1X21X2110
22X1X12112112110
2X22212X1X11X120
21XXX12X12X1X120
212111XX22X11120
2122X11X1XX1X120
2212111X221XX120
222X112X1X11X120
2X1211X2X212X121
21XX1111221XX121
21X111X21X1X1121
21X2X112XX111121
