111X11X1X111XX11
111X11X1X2X12X11
11221XX12111XX11
11221XX122X12X11
112211X1X211XX11
112211X1X1X12X11
111X1XX12211XX11
111X1XX121X12X11
112X1XX1X1X1XX11
112X1XX1X2112X11
111211X121X1XX11
111211X122112X11
112X11X121112X11
112X11X122X1XX11
11121XX1X1112X11
11121XX1X2X1XX11
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