1121X111XX111112
1X2111XX11XXX112
1221212222222112
1211X111X1221X12
11XX211X1XX11212
122X111X1212XX12
122XX1XX11X11X12
XX21X1X2111X1X12
112121X2XXX1X212
1211X11X1X221112
1XXX11111212X212
12X111X11X2X1212
12X111211X1XXX12
