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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:78AJ GHM

Order: 18

Horizontal side: 78 Vertical side: 78

Elements: 5√2, 8, 10, 11, 8√2, 10√2, 16, 20, 21, 16√2, 17√2, 20√2, 22√2, 32, 34, 27√2, 40, 34√2.

Code: 345 0 44 344 34 44 100 68 78 101 78 78 200 58 68 201 78 68 213 38 27 325 38 16 401 78 48 222 22 22 174 17 27 54 22 22 270 27 27 111 38 27 164 54 0 163 70 0 82 78 8 83 78 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)

34
34√2
10√2
10
20√2
20
21
32
40
22√2
17√2
5√2
27√2
11
16√2
16
8√2
8