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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:122CE4of4 GHM

Order: 19

Horizontal side: 122 Vertical side: 122

Elements: 1√2, 2, 2√2, 4, 6, 5√2, 8, 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 34 103 64 34 52 69 39 61 70 44 87 70 44 10 69 39 43 68 34 22 70 36 21 70 38 344 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
10
5√2
6
8
1√2
4
2√2
2
34√2
34