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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:156AD GHM

Order: 18

Horizontal side: 156 Vertical side: 156

Elements: 2, 2√2, 4, 6, 14, 16, 15√2, 16√2, 32, 36, 42, 36√2, 42√2, 72, 78, 57√2, 84, 78√2.

Code: 845 0 72 784 78 78 783 156 78 61 84 78 45 84 74 364 120 42 363 156 42 25 84 72 24 86 72 166 72 58 325 88 42 727 0 72 156 57 57 147 72 72 165 72 42 570 57 57 424 114 0 423 156 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)

84
78√2
78
6
4
36√2
36
2
2√2
16√2
32
72
15√2
14
16
57√2
42√2
42