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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:82AL GHM

Order: 18

Horizontal side: 82 Vertical side: 82

Elements: 4, 4√2, 8, 6√2, 7√2, 12, 9√2, 14, 12√2, 18, 23, 18√2, 32, 23√2, 25√2, 41, 50, 41√2.

Code: 505 0 32 414 41 41 413 82 41 94 50 32 230 59 41 231 82 41 325 0 0 254 25 7 40 36 18 41 40 18 125 40 6 124 52 6 180 64 18 181 82 18 76 25 7 145 32 0 81 40 14 64 46 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)

50
41√2
41
9√2
23√2
23
32
25√2
4√2
4
12
12√2
18√2
18
7√2
14
8
6√2