XX212X112X111211
XX222112X2111211
X1212X112X11X211
X12121X12211X211
X12121122X111X11
11212111XX112211
12222X122X11XX11
122221112X11X211
X1212X1222111X12
X22121X1X2112X12
12212XX22X111212
XX212X12XX111X21
XX2221112X211221
XX2221122X211X21
X12221X12X111221
1X2221X1X221XX21
11212X1122211221
XX2121X1XX111222
X1212X11XX212222
X2212111XX212222
XX2121122X21X2M1
12212XX1X21122M1
X12121X22X21XXM2
122221112211XXM2
