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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:122CJ8of8 GHM

Order: 19

Horizontal side: 122 Vertical side: 122

Elements: 3√2, 6, 6√2, 12, 9√2, 12√2, 19, 15√2, 23, 19√2, 27, 30, 23√2, 38, 42, 42√2, 61, 80, 61√2.

Code: 805 0 42 614 61 61 613 122 61 194 80 42 193 99 42 232 122 38 231 122 61 427 0 42 420 42 42 301 72 42 125 72 30 271 99 42 383 122 0 92 81 21 64 78 24 63 84 24 152 99 15 34 81 21 126 72 12

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)

80
61√2
61
19√2
19
23√2
23
42
42√2
30
12
27
38
9√2
6√2
6
15√2
3√2
12√2