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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:84AN GHM

Order: 18

Horizontal side: 84 Vertical side: 84

Elements: 2, 2√2, 4, 3√2, 6, 7√2, 9√2, 14, 10√2, 14√2, 16√2, 28, 32, 26√2, 28√2, 42, 35√2, 42√2.

Code: 425 0 42 424 42 42 266 58 58 96 49 49 102 68 48 70 49 49 160 68 48 285 0 14 284 28 14 43 56 38 22 58 40 23 58 38 36 49 35 67 52 38 350 49 35 321 84 32 145 0 0 144 14 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)

42
42√2
26√2
9√2
10√2
7√2
16√2
28
28√2
4
2√2
2
3√2
6
35√2
32
14
14√2