111X11X1X111XX12
111X11X1211X2X12
2XX211X1X111XX12
2XX211X1211X2X12
2X1X11X12111XX12
2X1X11X1X11X2X12
11X211X12111XX12
11X211X1X11X2X12
21XX11X1X11XXX12
21XX11X121112X12
1X1211X1X11XXX12
1X1211X121112X12
211211X1X1112X12
211211X1211XXX12
1XXX11X1X1112X12
1XXX11X1211XXX12
