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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:128AC2of2 GHM

Order: 18

Horizontal side: 128 Vertical side: 128

Elements: 4√2, 8, 9, 8√2, 12, 9√2, 12√2, 18, 24, 18√2, 27, 28, 46, 55, 64, 73, 55√2, 64√2.

Code: 735 0 55 644 64 64 643 128 64 94 73 55 93 82 55 285 82 36 461 128 64 557 0 55 550 55 55 271 82 55 85 82 28 84 90 28 120 98 36 121 110 36 182 128 18 44 86 24 241 110 24 183 128 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)

73
64√2
64
9√2
9
28
46
55
55√2
27
8
8√2
12√2
12
18√2
4√2
24
18