X1X211X11111XXM1
2122XX21X1X12221
2122XXX11X21XX10
X1X21121X12X2210
2122X1X1X11XXX20
X1X21X21XXX1X210
21X22X2111112120
X112X1X11XX12221
X122121121212X21
11221XX111XX1221
11X2X121X1211XM1
21121X211X1X2X10
21X2X21111XXX2M1
212211X1XX111111
X1122XX12121X211
