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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:159AB GHM

Order: 19

Horizontal side: 159 Vertical side: 159

Elements: 9, 9√2, 18, 13√2, 27, 28, 30, 27√2, 28√2, 30√2, 43, 56, 60, 43√2, 45√2, 69, 58√2, 60√2, 86.

Code: 697 0 159 600 69 159 601 129 159 302 159 129 301 159 159 863 159 43 90 9 99 91 18 99 277 18 99 276 18 72 287 45 99 286 45 71 567 73 99 452 45 45 181 18 90 132 58 58 580 58 58 434 116 0 433 159 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)

69
60√2
60
30√2
30
86
9√2
9
27
27√2
28
28√2
56
45√2
18
13√2
58√2
43√2
43