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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:128AA GHM

Order: 18

Horizontal side: 128 Vertical side: 128

Elements: 8√2, 16, 18, 13√2, 22, 16√2, 18√2, 26, 22√2, 32, 26√2, 40, 31√2, 32√2, 62, 64, 66, 64√2.

Code: 667 0 128 316 35 97 627 66 128 646 64 64 130 35 97 226 0 62 267 22 84 266 22 58 182 66 66 166 48 48 645 64 0 225 0 40 185 22 40 165 48 32 407 0 40 80 40 40 320 32 32 321 64 32

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)

66
31√2
62
64√2
13√2
22√2
26
26√2
18√2
16√2
64
22
18
16
40
8√2
32√2
32