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X1X1X121112X1X11
X12111X1XX221211
21X111X1X12X1X11
21X1XX211X221211
2121XX21112X1X11
2121XX211X221211
X111X2X1X2122X02
211X112112112222
X1XX1111X2X21X00
X1XX22X11X2X1102
X12112X1X2XXXX00
