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X2X21X1X21X11222
X21X1221X12X1222
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1X121121X2122222
1X221XXX12X12222
1X221211X121X222
11X2122121XX2222
12XX1X11XX222222
12X212XX1112X222
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2X121X11222X1222
21X211112X12X222
212X12X11X2XX222
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