2212211XX1221111
211221X111221111
X112X221X1221111
211211X121221111
21121112X1221111
X212121111221111
1X12X211X1221112
X11221X121221112
2112X11111221112
11122X2211221112
1X12X1XX21221110
X112211XX1221110
21122X1X21221110
1X12X21X11221110
1112XX22X1221101
21121X1X22221101
