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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:164AM GHM

Order: 19

Horizontal side: 164 Vertical side: 164

Elements: 3√2, 8√2, 16, 14√2, 16√2, 17√2, 26, 34, 26√2, 31√2, 48, 34√2, 37√2, 40√2, 58, 48√2, 58√2, 90, 82√2.

Code: 905 0 74 824 82 82 586 106 106 166 90 90 585 106 48 86 82 82 165 90 74 372 37 37 404 40 34 260 80 74 261 106 74 140 54 48 314 85 17 480 116 48 481 164 48 30 37 37 340 34 34 341 68 34 172 85 17

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)

90
82√2
58√2
16√2
58
8√2
16
37√2
40√2
26√2
26
14√2
31√2
48√2
48
3√2
34√2
34
17√2