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1X1212121X2X2112
11121212X122XX12
1X1222X222122X12
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211222X222211212
111212X211X12212
111X1222X21X1112
2X121212X2112212
X11X12X2212X1X12
1X122222X1XX1X12
211X12122XX22X12
X11212X2XX122112
X112121222X1X112
X1122222121X2212
211X1212122XX212
2X1212222X21XX12
