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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:56AK GHM

Order: 19

Horizontal side: 56 Vertical side: 56

Elements: 1√2, 2, 3√2, 5, 6, 6√2, 10, 11, 8√2, 12, 9√2, 11√2, 16, 14√2, 22, 17√2, 28, 34, 28√2.

Code: 345 0 22 284 28 28 283 56 28 61 34 28 115 34 17 114 45 17 146 42 14 225 0 0 161 16 22 82 24 14 94 25 13 103 34 12 57 34 17 170 39 17 34 42 14 23 24 12 12 25 13 66 16 6 127 22 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)

34
28√2
28
6
11
11√2
14√2
22
16
8√2
9√2
10
5
17√2
3√2
2
1√2
6√2
12