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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:46AL GHM

Order: 19

Horizontal side: 46 Vertical side: 46

Elements: 1, 1√2, 2, 2√2, 3, 3√2, 6, 5√2, 10, 8√2, 12, 10√2, 16, 12√2, 18, 13√2, 22, 28, 23√2.

Code: 285 0 18 234 23 23 223 46 24 10 24 24 11 25 24 37 25 24 36 25 21 67 28 24 163 34 8 127 34 24 126 34 12 21 25 23 187 0 18 56 13 13 107 18 18 130 13 13 22 36 10 100 36 10 84 26 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
22
1√2
1
3
3√2
6
16
12
12√2
2
18
5√2
10
13√2
2√2
10√2
8√2