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12X211X221112211
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22X2112211XX1211
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2X12111XX1X2X212
X2X2111XX1211212
1X221122X121X212
1XX211XX21XX1212
X1X211X211X2X212
1112111211X11212
2XX211X1X1X12221
21X211XX11121221
21X2111111XX1221
2222112X21222221
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