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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:52AH GHM

Order: 19

Horizontal side: 52 Vertical side: 52

Elements: 1, 1√2, 2, 3, 3√2, 6, 9, 10, 11, 12, 9√2, 12√2, 18, 13√2, 14√2, 24, 26, 28, 26√2.

Code: 285 0 24 264 26 26 263 52 26 21 28 26 125 28 14 124 40 14 136 39 13 245 0 0 181 18 24 92 27 15 101 28 24 93 27 6 15 27 14 117 27 14 140 38 14 14 39 13 61 24 6 32 27 3 31 27 6

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)

28
26√2
26
2
12
12√2
13√2
24
18
9√2
10
9
1
11
14√2
1√2
6
3√2
3