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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:256AI GHM

Order: 19

Horizontal side: 256 Vertical side: 256

Elements: 2, 2√2, 9√2, 11√2, 22, 26, 28, 20√2, 26√2, 28√2, 40, 40√2, 80, 88, 108, 128, 148, 108√2, 128√2.

Code: 1485 0 108 1284 128 128 1283 256 128 204 148 108 116 157 117 225 168 106 881 256 128 90 157 117 1087 0 108 1080 108 108 284 136 80 283 164 80 27 164 108 20 166 108 267 164 106 260 190 106 801 216 80 402 256 40 403 256 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)

148
128√2
128
20√2
11√2
22
88
9√2
108
108√2
28√2
28
2
2√2
26
26√2
80
40√2
40