X1X121X1X21X11M0
1111112122X11120
1X22211112111120
1X22212122X11120
1X21112112111120
1X21111122X11120
1112212112111120
1112211122X11120
1X12111122111120
1X12112112X11120
1121211122111120
1121212112X11120
1X11211112X11120
1X11212122111120
1122111112X11120
1122112122111120
