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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:56AD GHM

Order: 19

Horizontal side: 56 Vertical side: 56

Elements: 2, 2√2, 4, 3√2, 4√2, 6, 5√2, 8, 10, 8√2, 9√2, 11√2, 16, 18, 16√2, 24, 32, 24√2, 28√2.

Code: 325 0 24 284 28 28 246 32 32 46 28 28 185 32 14 245 0 0 164 16 8 163 32 8 32 35 11 94 41 5 43 50 10 65 50 8 110 35 11 56 41 5 105 46 0 24 48 8 23 50 8 84 24 0 81 56 8

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)

32
28√2
24√2
4√2
18
24
16√2
16
3√2
9√2
4
6
11√2
5√2
10
2√2
2
8√2
8