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11X1X1X1X1122122
11X1X1X11X122122
112121X1111X2122
11X12121111X2122
2111X1X1X11X2122
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1111211X1X1X2122
1111X112121X2122
1X11X111X12X2122
11X1X111X12X2122
121XX1X1111X2X22
1X1XX121111X2122
1121XX1X111X2122
11X1XX12111X2122
1112X1X1X11X2122
