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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:129AA GHM

Order: 18

Horizontal side: 129 Vertical side: 129

Elements: 8, 9, 8√2, 16, 18, 16√2, 18√2, 28, 32, 37, 28√2, 32√2, 46, 37√2, 55, 46√2, 74, 83.

Code: 837 0 129 553 83 74 467 83 129 466 83 83 95 83 74 286 0 46 325 28 42 324 60 42 743 92 0 372 129 37 285 0 18 165 28 26 164 44 26 373 129 0 85 28 18 84 36 18 185 0 0 184 18 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)

83
55
46
46√2
9
28√2
32
32√2
74
37√2
28
16
16√2
37
8
8√2
18
18√2