Definition: Wreathlet is a mathematical concept in graph theory, specifically used to describe a subset of an undirected graph. In graph theory, a wreath let is defined as a set of edges that form a cycle or a loop within the graph. A cycle or a loop can be described by specifying the starting and ending points of each edge. For example, consider the following graph: ``` 1 / \ / | / | 2 -- 3 ``` Here
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