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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:172AQ2of4 GHM

Order: 19

Horizontal side: 172 Vertical side: 172

Elements: 6√2, 12, 12√2, 13√2, 24, 18√2, 26, 21√2, 36, 26√2, 42, 34√2, 52, 73, 52√2, 78, 94, 99, 73√2.

Code: 995 0 73 781 78 172 245 78 148 941 172 172 125 78 136 124 90 136 180 102 148 425 78 94 64 84 130 361 120 130 522 172 78 214 99 73 346 86 60 523 172 26 737 0 73 730 73 73 134 86 60 264 146 0 263 172 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)

99
78
24
94
12
12√2
18√2
42
6√2
36
52√2
21√2
34√2
52
73
73√2
13√2
26√2
26