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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:84AI GHM

Order: 18

Horizontal side: 84 Vertical side: 84

Elements: 5, 7, 7√2, 13√2, 20, 15√2, 22, 25, 26, 20√2, 30, 22√2, 32, 23√2, 36, 26√2, 39, 32√2.

Code: 325 0 52 324 32 52 253 64 59 207 64 84 206 64 64 55 64 59 73 39 52 232 62 36 301 69 59 152 84 44 262 26 26 391 39 52 226 62 22 363 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
25
20
20√2
5
7
23√2
30
15√2
26√2
39
22√2
36
7√2
26
13√2
22