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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:204AD GHM

Order: 18

Horizontal side: 204 Vertical side: 204

Elements: 10√2, 16, 20, 16√2, 20√2, 32, 27√2, 40, 54, 40√2, 64, 70, 54√2, 59√2, 86, 70√2, 118, 134.

Code: 1345 0 70 1181 118 204 592 177 145 861 204 204 270 177 145 323 150 86 542 204 64 541 204 118 164 134 70 163 150 70 707 0 70 700 70 70 404 110 30 403 150 30 643 204 0 204 130 10 203 150 10 104 140 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)

134
118
59√2
86
27√2
32
54√2
54
16√2
16
70
70√2
40√2
40
64
20√2
20
10√2