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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:86AO2of2 GHM

Order: 19

Horizontal side: 86 Vertical side: 86

Elements: 1√2, 6, 5√2, 6√2, 9, 10, 12, 9√2, 10√2, 15, 11√2, 22, 21√2, 22√2, 32, 27√2, 32√2, 54, 43√2.

Code: 545 0 32 434 43 43 216 65 65 223 65 43 155 65 50 97 65 50 96 65 41 67 74 50 60 80 50 127 74 44 226 64 22 114 54 32 16 64 42 103 64 32 102 74 32 325 0 0 324 32 0 56 59 27 270 59 27

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)

54
43√2
21√2
22
15
9
9√2
6
6√2
12
22√2
11√2
1√2
10
10√2
32
32√2
5√2
27√2