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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:78AF GHM

Order: 18

Horizontal side: 78 Vertical side: 78

Elements: 1√2, 5, 5√2, 10, 14, 10√2, 16, 15√2, 22, 16√2, 17√2, 27, 30, 22√2, 34, 28√2, 29√2, 34√2.

Code: 345 0 44 344 34 44 56 63 73 107 68 78 106 68 68 303 63 43 152 78 58 296 49 29 222 22 22 174 17 27 160 33 43 161 49 43 147 49 43 12 50 28 280 50 28 51 22 27 277 22 27 223 22 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
5√2
10
10√2
30
15√2
29√2
22√2
17√2
16√2
16
14
1√2
28√2
5
27
22