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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:142AA GHM

Order: 19

Horizontal side: 142 Vertical side: 142

Elements: 1, 7√2, 10, 14, 10√2, 14√2, 20, 28, 20√2, 29, 29√2, 30√2, 43, 35√2, 42√2, 70, 71, 72, 71√2.

Code: 727 0 142 420 72 142 354 107 107 283 142 114 76 107 107 145 114 100 144 128 100 433 142 71 300 30 100 204 50 80 203 70 80 295 70 71 294 99 71 104 60 70 103 70 70 17 70 71 710 71 71 711 142 71 707 0 70

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)

72
42√2
35√2
28
7√2
14
14√2
43
30√2
20√2
20
29
29√2
10√2
10
1
71√2
71
70