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2X1X122222X12211
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2XX212222XX12211
221X12222XX12211
2X1X12222X222X11
2X1X122222X22X11
2X1X22222XX22X11
2XX212222XX22X11
22XX12222XX22X11
221X222222212X11
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2X1212222X212X11
22XX12222X212X11
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2X12122222X12X11
22XX122222X12X11
2XX222222XX12X11
22XX22222XX12X11
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2X2X12222XX12X11
