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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:46AP GHM

Order: 19

Horizontal side: 46 Vertical side: 46

Elements: 1√2, 2, 2√2, 4, 5, 4√2, 7, 5√2, 8, 6√2, 7√2, 10, 13, 10√2, 18, 23, 18√2, 28, 23√2.

Code: 285 0 18 234 23 23 233 46 23 54 28 18 60 33 23 131 46 23 187 0 18 180 18 18 81 26 18 42 30 14 14 27 17 51 32 17 77 32 17 70 39 17 43 30 10 22 32 12 23 32 10 104 36 0 103 46 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)

28
23√2
23
5√2
6√2
13
18
18√2
8
4√2
1√2
5
7
7√2
4
2√2
2
10√2
10