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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:118AB GHM

Order: 19

Horizontal side: 118 Vertical side: 118

Elements: 1√2, 4√2, 8, 9√2, 18, 17√2, 18√2, 34, 36, 37, 39, 40, 42, 44, 37√2, 38√2, 39√2, 40√2, 42√2.

Code: 427 0 118 426 0 76 372 79 81 371 79 118 397 79 118 396 79 79 16 78 80 363 78 44 402 118 40 382 38 38 185 42 26 184 60 26 443 78 0 403 118 0 40 38 38 343 34 0 172 51 17 81 42 34 94 51 17

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)

42
42√2
37√2
37
39
39√2
1√2
36
40√2
38√2
18
18√2
44
40
4√2
34
17√2
8
9√2