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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:83AA4of4 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 60 363 51 24 182 69 42 321 83 60 140 69 42 280 55 28 281 83 28 66 9 18 127 15 24 126 15 12 247 27 24 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
36
18√2
32
14√2
28√2
28
6√2
12
12√2
24
9√2
18
9