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In how many ways can the Nikolaus House be drawn

Source: Germany 2001 p4

February 23, 2020
combinatorial geometrycombinatorics

Problem Statement

In how many ways can the ”Nikolaus’ House” (see the picture) be drawn? Edges may not be erased nor duplicated, and no additional edges may be drawn. https://cdn.artofproblemsolving.com/attachments/0/5/33795820e0335686b06255180af698e536a9be.png