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111XX12121122120
111X21XX211X2120
1111X1XX2X122120
1111X1212X122120
111121XX2X1X2120
111121212X1X2120
111XX1X12X1X2120
111XX12X2X1X2120
111X21X12X122120
111X212X2X122120
1111X1X1221X2120
1111212X22122120
111XX1XX22122120
111X2121221X2120
11X1X2X12X1X1111
211XX1XX221X1122
