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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:128AB GHM

Order: 18

Horizontal side: 128 Vertical side: 128

Elements: 4, 4√2, 12, 12√2, 13√2, 24, 17√2, 26, 30, 34, 36, 26√2, 34√2, 36√2, 60, 64, 68, 64√2.

Code: 685 0 60 644 64 64 643 128 64 44 68 60 43 72 60 262 98 38 261 98 64 132 111 51 301 128 64 605 0 0 364 36 24 363 72 24 170 111 51 340 94 34 341 128 34 241 60 24 122 72 12 121 72 24

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)

68
64√2
64
4√2
4
26√2
26
13√2
30
60
36√2
36
17√2
34√2
34
24
12√2
12