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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:71AA2of4 GHM

Order: 19

Horizontal side: 71 Vertical side: 71

Elements: 2√2, 4, 3√2, 4√2, 6, 8, 6√2, 8√2, 12, 9√2, 12√2, 17√2, 25, 29, 21√2, 23√2, 25√2, 42, 46.

Code: 465 0 25 421 42 71 122 54 59 291 71 71 96 45 50 172 71 42 30 45 50 67 42 47 60 48 47 216 50 21 127 42 41 86 46 33 46 42 29 85 46 25 255 0 0 254 25 0 26 48 23 47 50 25 230 48 23

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)

46
42
12√2
29
9√2
17√2
3√2
6
6√2
21√2
12
8√2
4√2
8
25
25√2
2√2
4
23√2