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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:35AB3of4 GHM

Order: 19

Horizontal side: 35 Vertical side: 35

Elements: 1√2, 2, 2√2, 3, 4, 3√2, 4√2, 6, 8, 6√2, 9, 11, 8√2, 12, 11√2, 16, 12√2, 20, 23.

Code: 237 0 35 80 23 35 81 31 35 42 35 31 41 35 35 203 35 11 123 15 15 167 15 27 36 0 12 65 3 9 64 9 9 26 13 13 16 12 12 25 13 11 35 0 9 120 12 12 114 24 0 113 35 0 97 0 9

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)

23
8√2
8
4√2
4
20
12
16
3√2
6
6√2
2√2
1√2
2
3
12√2
11√2
11
9