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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:166AC GHM

Order: 18

Horizontal side: 166 Vertical side: 166

Elements: 2, 2√2, 4, 4√2, 11√2, 22, 22√2, 44, 50, 36√2, 58, 44√2, 47√2, 50√2, 72, 58√2, 86, 72√2.

Code: 725 0 94 724 72 94 220 144 166 221 166 166 863 122 58 442 166 100 441 166 144 506 116 50 472 47 47 364 36 58 114 47 47 580 58 58 581 116 58 42 120 54 41 120 58 22 122 56 21 122 58 505 116 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

72
72√2
22√2
22
86
44√2
44
50√2
47√2
36√2
11√2
58√2
58
4√2
4
2√2
2
50