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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:78AE GHM

Order: 18

Horizontal side: 78 Vertical side: 78

Elements: 1, 1√2, 5√2, 10, 10√2, 11√2, 15√2, 22, 16√2, 17√2, 27, 29, 30, 31, 22√2, 34, 29√2, 34√2.

Code: 345 0 44 344 34 44 56 63 73 107 68 78 106 68 68 150 63 73 313 48 27 307 48 58 296 49 29 222 22 22 174 17 27 16 48 28 295 49 0 15 48 27 164 33 11 273 49 0 223 22 0 112 33 11

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
15√2
31
30
29√2
22√2
17√2
1√2
29
1
16√2
27
22
11√2