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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:61AB GHM

Order: 18

Horizontal side: 61 Vertical side: 61

Elements: 2, 2√2, 4, 13, 11√2, 16, 17, 18, 13√2, 20, 15√2, 22, 16√2, 24, 17√2, 26, 22√2, 24√2.

Code: 245 0 37 244 24 37 130 48 61 131 61 61 150 35 48 261 61 48 207 0 37 26 18 35 47 20 37 183 18 17 25 18 33 165 18 17 164 34 17 110 50 33 220 39 22 221 61 22 175 0 0 174 17 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)

24
24√2
13√2
13
15√2
26
20
2√2
4
18
2
16
16√2
11√2
22√2
22
17
17√2