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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:216AV GHM

Order: 19

Horizontal side: 216 Vertical side: 216

Elements: 8, 8√2, 16, 14√2, 21, 16√2, 28, 21√2, 24√2, 28√2, 42, 52, 63, 66, 87, 108, 87√2, 129, 108√2.

Code: 1295 0 87 1084 108 108 1083 216 108 214 129 87 213 150 87 525 150 56 661 216 108 877 0 87 870 87 87 631 150 87 162 166 40 161 166 56 82 174 48 81 174 56 282 202 28 281 202 56 142 216 42 246 150 24 423 216 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
21
52
66
87
87√2
63
16√2
16
8√2
8
28√2
28
14√2
24√2
42