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211111X121122212
X11X21X121112X12
2111211X11112212
XX1XX1X111122212
2X11X11X21122X12
XX112111211X2212
2X1X21XX111X2X12
X21X11XX211X2212
22111111111X2X12
X211X1XX11112X12
221XX11121112212
