111X11XX12X11221
111X112X22211121
11XX1122112X1X21
1XX11X112X211221
1XX11X1X2XX11221
1XX21X121X111221
12111XXX2121XX21
121X1122XXXX1121
12XX11221X2X1221
12X211112X1X1221
X121112211XX1X21
X121112221X1XX21
X2X2111X22X11121
X22111112211X121
X222111112211121
X222111X12X11121
21X211121XX11121
