111X1112112XX222
111XX112112XXX22
111211121121X222
111X11121X21XX22
1112X1121X21XX22
1112X1121X2XX222
111XX1121221X222
11121112122XXX22
111X21XX1XXX1111
111X21XX1XXX1211
111X21X21XX22111
111X21X21XX22211
