1111X1XX1XX1X1M1
11X11XX11XX1X1M1
121111XXXXX1X1M1
211111XX1XX1X1M1
21X1XXX1XXX1X1M1
22X1XXX11XX1X1M1
22X1XXX1XXX1X1M1
221X211211X111M1
221X21211X1111M1
221X221111X1X1M1
222X211111X111M1
222X21221X11X1M1
222X22221X1111M1
222X22221X11X1M1
