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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:164AH GHM

Order: 18

Horizontal side: 164 Vertical side: 164

Elements: 3√2, 6, 6√2, 9√2, 10√2, 12√2, 20, 30, 26√2, 40, 52, 40√2, 62, 46√2, 72, 62√2, 92, 82√2.

Code: 925 0 72 824 82 82 626 102 102 203 102 82 625 102 40 104 92 72 303 102 52 725 0 0 464 46 26 266 46 26 525 72 0 124 84 40 36 93 49 67 96 52 66 96 46 90 93 49 404 124 0 403 164 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)

92
82√2
62√2
20
62
10√2
30
72
46√2
26√2
52
12√2
3√2
6
6√2
9√2
40√2
40