211X2X21X22X1211
21112121122X1211
21112221122X1211
2111X121XX2X1211
2111X221XX2X1211
211XXX211X2X1211
211XX121X2211211
211XX221X2211211
2111XX2112211211
21112X21XX211211
211X21211X211211
211X22211X211211
2111XX21X22X1X11
211XX121122X1X11
211XX221122X1X11
211X2121XX2X1X11
211X2221XX2X1X11
21112X211X2X1X11
21112121X2211X11
21112221X2211X11
211X2X2112211X11
211XXX21XX211X11
