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111XX1X112111120
2121X12X12111120
2111211X12111120
211XX11122111120
112X212X22111120
212X21X1121X1120
111XX11X121X1120
11112121221X1120
2121X1XX221X1120
111X212112111X20
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212121X122111X20
1111X1XX22111X20
2111X121121X1X20
112121XX121X1X20
112XX121221X1X20
21112111221X1X20
112X211X221X1X20
