XX112211XX211122
X2112211XX211122
XX1XX211X2X11222
X21XX211X2X11222
1X112X1X12X11222
X2112X1XX2X11122
21112X1X22X11X22
1XX122112X211122
12122211X2X11222
2XX122112X211122
22122211X2X11222
2X112X1121211X22
2XX1121112X11222
22112X1121211X22
22X1121112X11222
