XX21X1X111212211
XX1XX2X111211211
XX1XX11X11111222
XX21X21X11111211
XX1111XX11111222
XX2X12XX11111211
XX11X11111211222
XX2XX21111211211
XX1X11X111211222
XX2112X111211211
XX21111X11211211
XX1X121X11211222
XX2XX1XX11211222
XX11X2XX11211211
2X2X11X2X1211212
21X211XX11211222
122XX121X1211221
