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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:172AJ4of4 GHM

Order: 19

Horizontal side: 172 Vertical side: 172

Elements: 6√2, 12, 12√2, 13√2, 21, 24, 18√2, 26, 21√2, 36, 26√2, 42, 47, 52, 52√2, 78, 94, 73√2, 86√2.

Code: 947 0 172 520 94 172 521 146 172 262 172 146 261 172 172 736 99 73 243 42 96 367 42 120 423 78 78 212 99 99 211 99 120 477 99 120 136 86 86 180 18 96 124 30 84 123 42 84 860 86 86 64 36 78 787 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
73√2
24
36
42
21√2
21
47
13√2
18√2
12√2
12
86√2
6√2
78