X11111X12X22121M
X11111X22XX1111M
X11112122X22121M
X11211122X22121M
X11212112XX1111M
X11212X22X22121M
211111112XX1111M
211111X22X22121M
211112X12XX1111M
211211X12XX1111M
211212112X22121M
211212122XX1111M
