21X22121X2XX1210
2X22X1212XXX1210
1X1X1222XX121210
X11221X2XX121210
221X12111X1X1210
XX12112222XX1210
2X11X11112X21210
2X111X22111X1210
22122XX21X1X1210
X212X112111X1210
1111X122X21X1210
21XX21XX21121210
X1X2122X12XX1210
2111XX21X1X21210
X11XXX2221121210
12221XX1111X1210
X12221XX22XX1210
X112221X1X1X1210
121X2112XX1X1210
12121XXX22X21210
