1111X1XX12111112
1111XXXXXX111112
111XX1XXXX11X112
111XX1XXX21X1112
111XXXXX1X1X1112
111XXXXX1211X112
X11111XXXX1X1112
X11111XXX211X112
X1111XXX1X11X112
X1111XXX121X1112
X11X11XX121XX112
X11X1XXXXX1XX112
211121XX1X1XX112
21112XXXX21XX112
211X21XX1X111112
211X2XXXX2111112
