11XX111X11111121
1XX2111X11111121
111X1112X1111121
1X121112X1111121
1XXX1X1111111121
11121X1XX1111X21
1X1X1X1XX1111221
11X21X1211111X21
1XXX1X1211111221
1X1X121111111X21
1XXX1211X1111X21
1112121111111221
11X21211X1111221
1121XX1111112X22
XX221X1121121111
X2XX11X1111X1222
