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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:216AW GHM

Order: 19

Horizontal side: 216 Vertical side: 216

Elements: 7, 8, 8√2, 16, 16√2, 28, 21√2, 24√2, 35, 28√2, 42, 52, 42√2, 66, 87, 108, 87√2, 129, 108√2.

Code: 1295 0 87 1084 108 108 1083 216 108 214 129 87 286 122 80 242 174 84 661 216 108 877 0 87 870 87 87 351 122 87 77 122 87 166 158 68 422 216 42 285 122 52 86 150 60 165 158 52 85 150 52 521 174 52 423 216 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)

129
108√2
108
21√2
28√2
24√2
66
87
87√2
35
7
16√2
42√2
28
8√2
16
8
52
42