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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:84AH2of4 GHM

Order: 19

Horizontal side: 84 Vertical side: 84

Elements: 2, 2√2, 4, 3√2, 6, 12, 14, 12√2, 14√2, 23, 24, 17√2, 25, 28, 21√2, 24√2, 42, 36√2, 42√2.

Code: 425 0 42 424 42 42 366 48 48 63 48 42 242 72 24 212 21 21 174 17 25 140 34 42 141 48 42 30 20 28 281 48 28 41 21 25 22 23 23 21 23 25 255 23 0 243 72 0 122 84 12 233 23 0 123 84 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)

42
42√2
36√2
6
24√2
21√2
17√2
14√2
14
3√2
28
4
2√2
2
25
24
12√2
23
12