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X11X11X221112110
21X111X2221XX110
111X2122XX111110
X112X122X1121110
211XX1X2X1112110
1112X122111XX121
X1X121221212X121
211111221X1X1121
XX1X2122211X2121
1XX121222X121121
XX211122X1112121
1X211122X11XX112
XX12X122XX121112
1X1211222111X112
X1X211X22112X112
11X121222X1X1112
X12111221111X112
112X11221112X112
X12121X21X1X1112
