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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:54AL GHM

Order: 19

Horizontal side: 54 Vertical side: 54

Elements: 1, 1√2, 2, 2√2, 4, 4√2, 6√2, 8√2, 12, 9√2, 11√2, 12√2, 17, 20, 22, 24, 17√2, 34, 25√2.

Code: 347 0 54 223 34 32 112 45 43 201 54 54 90 45 43 23 36 32 12 37 33 11 37 34 177 37 34 176 37 17 86 29 25 126 0 20 247 12 32 250 29 25 125 0 8 42 4 4 64 6 2 43 4 0 22 6 2

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)

34
22
11√2
20
9√2
2
1√2
1
17
17√2
8√2
12√2
24
25√2
12
4√2
6√2
4
2√2