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11111122X221X221
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X1X12X22X221X221
X1X111221121X221
X1X11112X221X221
11X1XX221X212121
11112X12X221X221
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11X11X12X121X221
11X11X221221X221
X1111X121221X221
X1111X22X121X221
11XX2112X221X221
1XX12122XXX12121
