112X111XX1212121
X222X111112X2121
2X221X12XX222121
XX22X1122X2XX121
22212X1X21212121
XX2XX1X112X2X121
122211122X21X121
11221111112X2121
12222112X1212121
X222XX11122X2121
22222112212X2121
XX2211112X222121
XX2XX211XXX1X121
X12X1XX2X221X121
1222111XXX212121
1121211111222121
