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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:164BO GHM

Order: 19

Horizontal side: 164 Vertical side: 164

Elements: 2, 5, 9√2, 18, 14√2, 18√2, 26, 31, 32, 23√2, 25√2, 26√2, 32√2, 50, 57, 57√2, 82, 107, 82√2.

Code: 1075 0 57 824 82 82 823 164 82 254 107 57 236 109 59 322 164 50 321 164 82 23 109 57 142 123 45 577 0 57 570 57 57 264 83 31 263 109 31 503 164 0 90 123 45 53 114 31 182 132 18 181 132 36 311 114 31

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)

107
82√2
82
25√2
23√2
32√2
32
2
14√2
57
57√2
26√2
26
50
9√2
5
18√2
18
31