X1X1211X1112111M
211121121112111M
X11121121X12111M
X11XX1X21112111M
2111211X1X12111M
X1XXX1XX1X12111M
21X121121112111M
21XXX1XX1112111M
X121211X1112111M
212XX1X21X12111M
XX22211111111210
2X22112111111122
