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112121X212X11121
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11X121X211X11121
11X12XX211X11121
11212X2211211121
11212X22122X1221
1111XX121XX1X121
1121X1221121X121
1111X1X211111X21
11X12XX21XXX1X21
11212XX21X221X21
1111X2221X221X21
11X1222212111X21
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21211222X2221221
11211X12X2X21221
11X1XX1211211X21
11X12X121X111X21
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X1X1XX121XX11X21
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21X11X121X211X21
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21212X12X1X21221
11X1XX22112X1221
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21X11X2211X21221
2121XX22112X1X21
1111222X21X1X120
