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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:161AE2of4 GHM

Order: 19

Horizontal side: 161 Vertical side: 161

Elements: 8, 8√2, 16, 20, 16√2, 24, 26, 20√2, 32, 23√2, 26√2, 40, 46, 46√2, 66, 69, 72, 69√2, 115.

Code: 1157 0 161 236 92 138 467 115 161 466 115 115 723 92 66 692 161 69 693 161 0 206 0 46 407 20 66 86 52 58 165 60 50 164 76 50 663 92 0 323 52 26 85 52 50 247 52 50 205 0 26 265 0 0 264 26 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)

115
23√2
46
46√2
72
69√2
69
20√2
40
8√2
16
16√2
66
32
8
24
20
26
26√2