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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:83AA3of4 GHM

Order: 19

Horizontal side: 83 Vertical side: 83

Elements: 6√2, 9, 7√2, 12, 9√2, 14, 12√2, 18, 14√2, 23, 24, 18√2, 28, 32, 23√2, 36, 28√2, 30√2, 37√2.

Code: 372 37 46 304 30 53 230 60 83 231 83 83 76 30 53 147 37 60 243 51 36 122 63 48 321 83 60 123 63 36 62 69 42 140 69 42 186 9 18 367 27 36 280 55 28 281 83 28 96 0 9 185 9 0 95 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
30√2
23√2
23
7√2
14
24
12√2
32
12
6√2
14√2
18√2
36
28√2
28
9√2
18
9