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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:140AG GHM

Order: 18

Horizontal side: 140 Vertical side: 140

Elements: 1√2, 2, 2√2, 3√2, 11√2, 22, 16√2, 22√2, 32, 38, 42, 44, 38√2, 54, 43√2, 64, 86, 70√2.

Code: 865 0 54 704 70 70 386 102 102 323 102 70 385 102 64 164 86 54 36 99 67 10 99 67 443 98 22 27 98 66 20 100 66 427 98 64 643 140 0 545 0 0 434 43 11 116 43 11 225 54 0 224 76 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)

86
70√2
38√2
32
38
16√2
3√2
1√2
44
2
2√2
42
64
54
43√2
11√2
22
22√2