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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:166AB GHM

Order: 18

Horizontal side: 166 Vertical side: 166

Elements: 4, 4√2, 11√2, 22, 22√2, 42, 44, 46, 50, 36√2, 58, 42√2, 44√2, 47√2, 50√2, 72, 58√2, 72√2.

Code: 725 0 94 724 72 94 220 144 166 221 166 166 440 122 144 441 166 144 420 78 100 421 120 100 467 120 100 506 116 50 472 47 47 364 36 58 114 47 47 580 58 58 581 116 58 42 120 54 41 120 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
44√2
44
42√2
42
46
50√2
47√2
36√2
11√2
58√2
58
4√2
4
50