f1

MongoIndex1 MongoIndex2 MongoIndex3 MongoIndex4 MongoIndex5 MongoIndex6

f2

MongoIndex2 MongoIndex3 MongoIndex4 MongoIndex5 MongoIndex6

f3

MongoIndex3 MongoIndex4 MongoIndex5 MongoIndex6

f4

MongoIndex4 MongoIndex5 MongoIndex6

f5

MongoIndex5 MongoIndex6

f6

MongoIndex6

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