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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:82AT GHM

Order: 19

Horizontal side: 82 Vertical side: 82

Elements: 1√2, 3√2, 6, 6√2, 7√2, 9√2, 14, 10√2, 11√2, 18, 13√2, 14√2, 20, 21, 31, 41, 31√2, 51, 41√2.

Code: 515 0 31 414 41 41 413 82 41 104 51 31 116 50 30 142 75 27 211 82 41 317 0 31 310 31 31 181 49 31 92 58 22 14 50 30 143 75 13 72 82 20 30 58 22 203 82 0 60 55 19 61 61 19 134 62 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)

51
41√2
41
10√2
11√2
14√2
21
31
31√2
18
9√2
1√2
14
7√2
3√2
20
6√2
6
13√2