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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:45AD GHM

Order: 19

Horizontal side: 45 Vertical side: 45

Elements: 1√2, 2, 4, 3√2, 6, 9, 7√2, 10, 11, 8√2, 12, 9√2, 11√2, 12√2, 18, 22, 24, 17√2, 18√2.

Code: 182 18 27 174 17 28 110 34 45 111 45 45 63 23 28 105 23 24 221 45 34 34 20 25 43 23 24 183 18 9 25 18 25 82 26 17 14 19 24 74 26 17 243 33 0 122 45 12 123 45 0 95 0 0 94 9 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)

18√2
17√2
11√2
11
6
10
22
3√2
4
18
2
8√2
1√2
7√2
24
12√2
12
9
9√2