X21XX1211X11X122
X21XX1221X12X122
X21X11X212122X22
X21X111X2X112122
X21X11212X121X22
X211X11X1211X222
X211X12XXX11XX22
X211111X21111122
X21111212112X122
X212X1211X1XX122
121X2122X212X222
121111XX211XX122
1212X1X111121122
1212X1X22X1XXX22
1212X1111211XX22
221XX1X22X1XXX22
221X212X1X1X2222
22112111221X1222
22122112211XXX22
