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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:172AI2of4 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, 60, 52√2, 78, 86, 94, 86√2.

Code: 947 0 172 520 94 172 521 146 172 262 172 146 261 172 172 603 172 86 66 36 114 127 42 120 126 42 108 247 54 120 423 78 78 212 99 99 344 112 86 363 36 78 182 54 96 130 99 99 860 86 86 861 172 86 787 0 78

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)

94
52√2
52
26√2
26
60
6√2
12
12√2
24
42
21√2
34√2
36
18√2
13√2
86√2
86
78