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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:78BB GHM

Order: 19

Horizontal side: 78 Vertical side: 78

Elements: 5, 4√2, 5√2, 7√2, 10, 9√2, 14, 15, 11√2, 18, 20, 25, 18√2, 28, 32, 23√2, 25√2, 46, 53.

Code: 535 0 25 461 46 78 232 69 55 321 78 78 90 69 55 143 60 32 182 78 28 181 78 46 74 53 25 116 49 21 283 78 0 257 0 25 250 25 25 201 45 25 155 45 10 44 49 21 57 45 10 56 45 5 107 50 10

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)

53
46
23√2
32
9√2
14
18√2
18
7√2
11√2
28
25
25√2
20
15
4√2
5
5√2
10