X11X1X22X2X2XX1M
X11X1X22X22X111M
X11X1222XX22XX1M
X1121X22XX22XX1M
X1121222XXXX111M
X1121222X222XX1M
211X1X22XXXX11MM
211X1X22X222XXMM
211X1222X2XX11MM
21121X22X2XX11MM
21121222XXX2XXMM
21121222XX2X110M
1211X1X211X2110M
1112X2XX1211110M
