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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:87AD GHM

Order: 19

Horizontal side: 87 Vertical side: 87

Elements: 2√2, 6√2, 8√2, 12, 13, 10√2, 13√2, 20, 24, 25, 18√2, 26, 24√2, 25√2, 36, 26√2, 38, 31√2, 37√2.

Code: 372 37 50 314 31 56 250 62 87 251 87 87 66 31 56 127 37 62 363 49 26 182 67 44 381 87 62 106 57 34 205 67 24 80 57 34 136 0 13 265 13 0 264 39 0 20 65 26 240 63 24 241 87 24 135 0 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)

37√2
31√2
25√2
25
6√2
12
36
18√2
38
10√2
20
8√2
13√2
26
26√2
2√2
24√2
24
13