1221X12122111212
X221212X22XXX212
X221212X22222212
121X21112212X212
X2X2211X22X22212
X222211222222212
1211212XX2XX2212
1211X122221XX212
12XXX121221X1212
12X22122X2XXX212
122X2121X2XX1212
1222X12X221X2212
121121X122111212
12XX21XX221XX212
X2XX21XX221XX212
X22221X222122212
