X1122X11211X1210
1112XX11XX1X1210
211X211XX1X1X210
121X2X1X1111X210
1212X21X111X1X11
2X1122X1X1X11211
2X1XX11X2X211X11
2X12X1X12X1X1211
21122X1XX11XX212
2X1X21X12X111X12
2111X2XX211X1X12
2111XX1XX221XX12
1212X111X2X11212
1X112X11221X1212
X1112XX11X211221
211X22XX21X11221
X21121XX11XX1X21
X112XX11X211X221
21122X1112X1XX21
X211X21X21XX1221
