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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:85AB GHM

Order: 18

Horizontal side: 85 Vertical side: 85

Elements: 10√2, 15, 16, 17, 18, 20, 15√2, 22, 16√2, 17√2, 20√2, 30, 32, 33, 35, 38, 30√2, 35√2.

Code: 355 0 50 354 35 50 150 70 85 151 85 85 383 55 32 302 85 40 301 85 70 177 0 50 176 0 33 187 17 50 206 65 20 335 0 0 167 17 32 166 17 16 325 33 0 221 55 32 106 55 10 205 65 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)

35
35√2
15√2
15
38
30√2
30
17
17√2
18
20√2
33
16
16√2
32
22
10√2
20