X21XX11111X11221
X21XX11121212221
221221X111X11221
221221X121212221
2212X11121X11221
2212X11111212221
X21X21X121X11221
X21X21X111212221
221X211111211221
221X211121X12221
X212X1X111211221
X212X1X121X12221
221XX1X111X12221
221XX1X121211221
X212211111X12221
X212211121211221
X21X111111XX2221
X1X1X122XX1XX221
