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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:86AL4of4 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 43 123 21 48 187 21 60 213 39 39 175 39 43 174 56 43 90 9 48 64 15 42 63 21 42 47 39 43 430 43 43 431 86 43 34 18 39 397 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
12
18
21
17
17√2
9√2
6√2
6
4
43√2
43
3√2
39