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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:68AJ GHM

Order: 19

Horizontal side: 68 Vertical side: 68

Elements: 2√2, 4, 3√2, 4√2, 6, 8, 6√2, 8√2, 12, 14, 14√2, 20, 16√2, 17√2, 28, 20√2, 34, 40, 34√2.

Code: 405 0 28 344 34 34 343 68 34 61 40 34 145 40 20 144 54 20 176 51 17 285 0 0 164 16 12 80 32 28 81 40 28 26 22 18 47 24 20 46 24 16 207 28 20 200 48 20 34 51 17 60 22 18 121 28 12

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
14
14√2
17√2
28
16√2
8√2
8
2√2
4
4√2
20
20√2
3√2
6√2
12