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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:86AB GHM

Order: 18

Horizontal side: 86 Vertical side: 86

Elements: 3, 3√2, 4√2, 6, 8, 9, 8√2, 12, 9√2, 12√2, 18, 18√2, 28, 40, 31√2, 46, 37√2, 43√2.

Code: 465 0 40 434 43 43 376 49 49 63 49 43 95 49 40 34 46 40 33 49 40 407 0 40 96 31 31 187 40 40 186 40 22 285 58 12 310 31 31 85 58 4 84 66 4 120 74 12 121 86 12 44 62 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)

46
43√2
37√2
6
9
3√2
3
40
9√2
18
18√2
28
31√2
8
8√2
12√2
12
4√2