X11X11X211111X21
2X12112X111X1210
2XX2X12211111X10
2X1X11X2XX1X1221
X112112211XXX221
X1X211X2X1121110
211111121XX11X20
121XX1X2111XXX11
XX1XX1XX11X11110
X2XX112X1X111211
XX11112XX111XX21
1112X122XX111210
21XX11121112X220
1XXX1122X1XX1X11
211211XX1X1XX120
