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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:164AO4of4 GHM

Order: 19

Horizontal side: 164 Vertical side: 164

Elements: 4√2, 8, 9, 8√2, 12, 9√2, 12√2, 18, 24, 18√2, 27, 28, 36, 64, 73, 82, 91, 73√2, 82√2.

Code: 915 0 73 824 82 82 823 164 82 94 91 73 93 100 73 365 100 46 641 164 82 737 0 73 730 73 73 271 100 73 281 128 46 82 136 38 81 136 46 42 140 42 126 128 30 245 140 18 125 128 18 184 146 0 183 164 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)

91
82√2
82
9√2
9
36
64
73
73√2
27
28
8√2
8
4√2
12√2
24
12
18√2
18