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1XX1X22X11112X12
X1X1122XXX112X12
1X11X12X111X2212
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1X21XX1211X2X112
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1XX1X21211X1XX12
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1X11X11211XXX212
X1111112XXXXX212
1X21XXX111221112
X1211XX1XX221112
1XX1X2X111211X12
X1X112X1XX211X12
1X11X1X1112X1212
X11111X1XX2X1212
