2121X12X12111220
X11112222X1X2X21
11X1X2221XXXX121
1121111X1X211X20
1121X1XX12XX1111
112X1X1212XX1X11
1X211222XX111X21
X111X212XX2X1212
1121121112122121
11XX2X12XX121X00
X12112221XX12X20
21111X12122X1221
