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NOTE: this page is under construction!!! This page provides arrangements of $n$ pseudocircles for small values of $n$ The following files provide (the sparse6-encoded primal-dual graphs of) all arrangements of up to $n=7$ pseudocircles with all types of (trianglefree) digongraphs. For $n=8$ we also provide examples with trianglefree nonplanar digongraphs. For more information on the encoding see this page.

File: digongraphs/data/n4_all_types_of_digongraphs.enc (172 bytes)

File: digongraphs/data/n5_all_types_of_digongraphs.enc (1.18 KB)

File: digongraphs/data/n6_all_types_of_digongraphs.enc (6.76 KB)

File: digongraphs/data/n7_all_types_of_digongraphs.enc (49.88 KB)

File: digongraphs/data/n7_all_types_of_trianglefree_digongraphs.enc (10.22 KB)

File: digongraphs/data/n8_digongraph_trianglefree_nonplanar.enc (272 bytes)

For details, please see Arrangements of Pseudocircles: On Digons and Triangles.

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