1111111X1X2X2111
11111XX111XX2111
111X11X1XX2X2111
111X11XX11X12111
X1111X11XXXX2111
X1111X1X11212111
X11X111XXXX12111
X11X1XX1X1212111
1X11XXXXXXX12111
1X1XXX111X212111
XX11X1XXX12X2111
XX1XX11111XX2111
1X112111X1X12111
1X1X2X1XX12X2111
XX1121X11X212111
XX1X2XXX1XXX2111
1211X111X1212111
121XXX1XX1XX2111
X211X1X11XX12111
X21XXXXX1X2X2111
12112XXXXX212111
121X2X111XX12111
X21121XXX1XX2111
X21X2111112X2111
