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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:84AH GHM

Order: 18

Horizontal side: 84 Vertical side: 84

Elements: 8, 7√2, 10√2, 13√2, 20, 15√2, 22, 16√2, 26, 20√2, 30, 22√2, 32, 23√2, 36, 26√2, 38, 32√2.

Code: 325 0 52 324 32 52 106 54 74 207 64 84 206 64 64 383 54 36 305 54 44 262 26 26 164 16 36 85 54 36 154 69 29 226 62 22 234 39 13 363 62 0 72 69 29 263 26 0 132 39 13 225 62 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)

32
32√2
10√2
20
20√2
38
30
26√2
16√2
8
15√2
22√2
23√2
36
7√2
26
13√2
22