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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:84AH3of4 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 21 231 23 42 257 23 42 283 48 14 243 72 0 122 84 12 43 21 17 22 23 19 23 23 17 170 17 17 34 20 14 144 34 0 143 48 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
23
25
28
24
12√2
4
2√2
2
17√2
3√2
14√2
14
12