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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:68AI GHM

Order: 19

Horizontal side: 68 Vertical side: 68

Elements: 1, 1√2, 2, 3, 3√2, 4√2, 6, 8, 8√2, 9√2, 14, 14√2, 20, 28, 20√2, 24√2, 34, 40, 34√2.

Code: 405 0 28 344 34 34 343 68 34 61 40 34 32 43 31 144 54 20 143 68 20 33 43 28 25 43 29 15 43 28 14 44 28 90 45 29 287 0 28 46 24 24 85 28 20 84 36 20 240 24 24 204 48 0 203 68 0

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)

40
34√2
34
6
3√2
14√2
14
3
2
1
1√2
9√2
28
4√2
8
8√2
24√2
20√2
20