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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:216AS GHM

Order: 19

Horizontal side: 216 Vertical side: 216

Elements: 5√2, 8, 18, 13√2, 20, 18√2, 26, 28, 20√2, 26√2, 40, 40√2, 62, 68, 88, 108, 88√2, 128, 108√2.

Code: 1285 0 88 1084 108 108 1083 216 108 204 128 88 203 148 88 285 148 80 681 216 108 887 0 88 880 88 88 264 114 62 263 140 62 132 153 75 81 148 88 54 153 75 180 158 80 181 176 80 402 216 40 621 176 62 403 216 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)

128
108√2
108
20√2
20
28
68
88
88√2
26√2
26
13√2
8
5√2
18√2
18
40√2
62
40