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X1X1211XX2211111
X1X1221XX2211111
X111X21222XX1111
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1XX12X1XX2211X11
1XX1221XX2211X11
1X112X12X2XX1X11
1X112212X2XX1X11
11X1121X2X21XX11
11X12X1XX2211111
11X1221XXX21X111
11X1221XX2211111
