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Breadth-First Search\1379-Find-a-Corresponding-Node-of-a-Binary-Tree-in-a-Clone-of-That-Tree\1379-Find-a-Corresponding-Node-of-a-Binary-Tree-in-a-Clone-of-That-Tree.java

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All problems in computer science can be solved by another level of indirection, except for the problem of too many layers of indirection.

– David J. Wheeler