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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:81AD GHM

Order: 19

Horizontal side: 81 Vertical side: 81

Elements: 1, 6, 6√2, 12, 14, 15, 16, 12√2, 14√2, 16√2, 24, 25, 28, 32, 24√2, 25√2, 39, 28√2, 50.

Code: 397 0 81 240 39 81 241 63 81 122 75 69 121 75 81 62 81 75 61 81 81 503 81 25 153 15 42 167 15 57 166 15 41 327 31 57 147 0 42 140 14 42 11 15 42 287 0 28 280 28 28 254 56 0 253 81 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)

39
24√2
24
12√2
12
6√2
6
50
15
16
16√2
32
14
14√2
1
28
28√2
25√2
25