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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:122CD3of4 GHM

Order: 19

Horizontal side: 122 Vertical side: 122

Elements: 1, 1√2, 2, 2√2, 3√2, 7, 7√2, 10, 10√2, 17√2, 27, 34, 27√2, 44, 34√2, 61, 44√2, 78, 61√2.

Code: 785 0 44 614 61 61 613 122 61 174 78 44 270 95 61 271 122 61 447 0 44 440 44 44 104 54 34 30 64 44 24 66 42 23 68 42 107 68 44 14 67 41 13 68 41 70 61 41 71 68 41 344 88 0 343 122 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)

78
61√2
61
17√2
27√2
27
44
44√2
10√2
3√2
2√2
2
10
1√2
1
7√2
7
34√2
34