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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:53AA GHM

Order: 19

Horizontal side: 53 Vertical side: 53

Elements: 5, 6, 7, 5√2, 7√2, 10, 12, 9√2, 14, 10√2, 12√2, 17, 18, 15√2, 24, 17√2, 18√2, 26, 27.

Code: 185 0 35 184 18 35 273 36 26 172 53 36 171 53 53 243 53 12 152 15 20 94 9 26 61 15 26 265 15 0 141 29 26 72 36 19 71 36 26 106 5 10 124 41 0 123 53 0 56 0 5 105 5 0 55 0 0

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)

18
18√2
27
17√2
17
24
15√2
9√2
6
26
14
7√2
7
10√2
12√2
12
5√2
10
5