1111X11211121221
111X211111121221
11121X1XX1121221
1X211111X1121221
12XXXX1X11121221
X12XXX1X11121221
XXX12X1XX1121221
XXXX1X12X1121221
XXX2X11111121221
X2111111X1121221
21X11X1111121221
2X1XX11XX1121221
2222211211121221
22222112X1121221
22222X1211121221
22222X12X1121221
