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21112121X21X1111
X1X12121122X1211
21X1X111X22X1211
X121X121X2XX1211
2121211112XX1211
X1212111X22X1X11
2121X121122X1X11
XX112111X21X1211
2X11X121121X1211
XX11X121X22X1111
2X112111122X1111
XXX1X11112XX1X11
2XX12121X2XX1X11
XX212121121X1111
2X21X111X21X1111
X211212112XX1X11
2211X111X2XX1X11
X2X1X121X21X1X11
22X12111121X1X11
X2X12111X2XX1111
22X1X12112XX1111
X221X111122X1211
22212121X22X1211
