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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:56AF1of2 GHM

Order: 19

Horizontal side: 56 Vertical side: 56

Elements: 1√2, 2, 2√2, 3, 4, 4√2, 7, 8, 7√2, 8√2, 14, 16, 12√2, 14√2, 25, 27, 28, 32, 28√2.

Code: 327 0 56 40 32 56 124 44 44 286 28 28 273 28 25 87 28 52 80 36 52 167 28 44 285 28 0 16 0 24 27 1 25 26 1 23 45 3 21 251 28 25 35 0 21 77 0 21 70 7 21 147 0 14 140 14 14

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
4√2
12√2
28√2
27
8
8√2
16
28
1√2
2
2√2
4
25
3
7
7√2
14
14√2