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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:58AD2of2 GHM

Order: 18

Horizontal side: 58 Vertical side: 58

Elements: 1√2, 3, 3√2, 4√2, 6, 8, 9, 7√2, 8√2, 12, 14, 14√2, 15√2, 22, 18√2, 22√2, 36, 29√2.

Code: 365 0 22 294 29 29 156 43 43 143 43 29 125 43 31 12 44 30 91 52 31 37 52 31 30 55 31 83 44 22 82 52 22 74 36 22 67 52 28 146 44 14 225 0 0 224 22 0 46 40 18 180 40 18

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)

36
29√2
15√2
14
12
1√2
9
3
3√2
8
8√2
7√2
6
14√2
22
22√2
4√2
18√2