Summary
Reference Kaleidoscopes: Selected Writings of H.S.M. Coxeter , edited by F. Arthur Sherk, Peter McMullen, Anthony C. Thompson, Asia Ivic Weiss, Wiley-Interscience Publication, 1995, ISBN 978-0-471-01003-6 [1] (Paper 24) H.S.M. Coxeter, Regular and Semi-Regular Polytopes III , [Math. Zeit. 200 (1988) 3-45] See p334 (figure 3.6a) by Peter mcMullen: (12-gonal node-edge graph of 122 ) [2]
Some source data Petrie Plane projection:
a1 = -0.18301270 0.49999999 0.13397459 0.28867513 0.42826801 0.83651630 a2 = 0.31698729 0.86602540 -0.50000000 0.07735026 -0.33353366 -0.22414386 Vertices of the polygon:
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