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11X11X12X11X2121
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1121XX1X111X2121
1121X112X11X2121
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1XX1X112111X2121
1XX1XX1XX11X2121
X1X1X11XX11X2121
X1X1XX12111X2121
1X21111XX11X2121
1X211X12111X2121
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