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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:122BJ3of4 GHM

Order: 19

Horizontal side: 122 Vertical side: 122

Elements: 3, 3√2, 6, 6√2, 9, 7√2, 12, 14, 21, 28, 20√2, 28√2, 40, 47, 34√2, 54, 47√2, 68, 61√2.

Code: 685 0 54 614 61 61 476 75 75 143 75 61 475 75 28 74 68 54 213 75 40 545 0 0 344 34 20 206 34 20 405 54 0 121 66 40 62 72 34 91 75 40 63 72 28 32 75 31 33 75 28 284 94 0 283 122 0

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)

68
61√2
47√2
14
47
7√2
21
54
34√2
20√2
40
12
6√2
9
6
3√2
3
28√2
28