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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:114AD GHM

Order: 19

Horizontal side: 114 Vertical side: 114

Elements: 4√2, 5√2, 8, 8√2, 16, 16√2, 18√2, 21√2, 30, 23√2, 36, 28√2, 42, 30√2, 33√2, 36√2, 56, 42√2, 60.

Code: 425 0 72 424 42 72 300 84 114 301 114 114 336 21 51 565 54 28 601 114 84 362 36 36 214 21 51 363 36 0 182 54 18 52 59 23 284 82 0 40 110 28 80 106 24 81 114 24 230 59 23 160 98 16 161 114 16

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
30√2
30
33√2
56
60
36√2
21√2
36
18√2
5√2
28√2
4√2
8√2
8
23√2
16√2
16