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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:86AL2of4 GHM

Order: 19

Horizontal side: 86 Vertical side: 86

Elements: 4, 3√2, 6, 6√2, 12, 9√2, 13, 17, 18, 13√2, 21, 17√2, 26, 30, 26√2, 39, 43, 47, 43√2.

Code: 477 0 86 260 47 86 261 73 86 132 86 73 131 86 86 303 86 43 36 18 57 67 21 60 66 21 54 127 27 60 213 39 39 175 39 43 174 56 43 183 18 39 92 27 48 47 39 43 430 43 43 431 86 43 397 0 39

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)

47
26√2
26
13√2
13
30
3√2
6
6√2
12
21
17
17√2
18
9√2
4
43√2
43
39