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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:82AK GHM

Order: 18

Horizontal side: 82 Vertical side: 82

Elements: 7, 7√2, 10, 14, 10√2, 18, 14√2, 20, 21, 15√2, 18√2, 20√2, 21√2, 32, 36, 40, 32√2, 50.

Code: 505 0 32 401 40 82 202 60 62 214 61 61 213 82 61 203 60 42 152 75 47 141 75 61 72 82 54 71 82 61 363 82 18 104 50 32 103 60 32 327 0 32 320 32 32 144 46 18 184 64 0 183 82 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)

50
40
20√2
21√2
21
20
15√2
14
7√2
7
36
10√2
10
32
32√2
14√2
18√2
18