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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:171AB GHM

Order: 19

Horizontal side: 171 Vertical side: 171

Elements: 5√2, 10, 10√2, 16, 20, 16√2, 20√2, 32, 24√2, 40, 32√2, 48, 40√2, 64, 48√2, 75, 80, 67√2, 123.

Code: 1237 0 171 320 123 171 321 155 171 162 171 155 161 171 171 803 171 75 676 24 72 647 91 139 405 91 35 404 131 35 753 171 0 240 24 72 487 0 48 480 48 48 205 91 15 204 111 15 105 91 5 104 101 5 54 96 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)

123
32√2
32
16√2
16
80
67√2
64
40
40√2
75
24√2
48
48√2
20
20√2
10
10√2
5√2