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Primitive Perfect Isosceles Right Triangled Square

Title: dr 19:142BO3of4 GHM

Order: 19

Horizontal side: 142 Vertical side: 142

Elements: 5√2, 6√2, 8√2, 12, 12√2, 13√2, 24, 18√2, 26, 29, 21√2, 24√2, 29√2, 42, 50, 50√2, 71, 92, 71√2.

Code: 925 0 50 714 71 71 713 142 71 214 92 50 290 113 71 291 142 71 507 0 50 500 50 50 261 76 50 132 89 37 84 84 42 54 89 37 180 94 42 244 118 18 423 142 0 241 100 24 122 112 12 121 112 24 62 118 18

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)

92
71√2
71
21√2
29√2
29
50
50√2
26
13√2
8√2
5√2
18√2
24√2
42
24
12√2
12
6√2