X121X1121X2X1X12
X12112X211112122
21X1X11112X21121
11X11111X1X1XX20
112X1X1XX1X1XX20
1XXX111X11X11120
1X211X1111X11120
11XX111XX121XX20
11211X11X121XX20
1XX1111111211120
1X2X1X1X11211120
X1XX1X1111111120
X121111X11111120
XXX11X1XX111XX20
XX2X1111X111XX20
21X11X1X11111120
212X111111111120
2XXX1X11X111XX20
2X21111XX111XX20
