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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:164AG GHM

Order: 18

Horizontal side: 164 Vertical side: 164

Elements: 3√2, 6, 6√2, 12, 10√2, 18, 20, 21√2, 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 72 216 81 61 725 0 0 464 46 26 30 81 61 60 78 58 61 84 58 185 84 40 266 46 26 525 72 0 121 84 52 404 124 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
21√2
72
46√2
3√2
6√2
6
18
26√2
52
12
40√2
40