111211X111XX2X11
11122XX12XXX2X11
11X21XX11XX1X111
11X221X121X1X111
11121XX11X2X2X12
111221X1212X2X12
11X211X11121X112
11X22XX12X21X112
X1121XX12111X121
X11221X11X11X121
X1X211X12X1X2X21
X1X22XX1111X2X21
211211X12X11X122
21122XX11111X122
21X21XX1211X2X22
21X221X11X1X2X22
