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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:71AA4of4 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 71 125 42 59 291 71 71 65 42 53 64 48 53 96 45 50 172 71 42 122 54 41 34 45 50 216 50 21 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
29
6
6√2
9√2
17√2
12√2
3√2
21√2
8√2
4√2
8
25
25√2
2√2
4
23√2