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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:45AH GHM

Order: 19

Horizontal side: 45 Vertical side: 45

Elements: 1, 1√2, 2, 3, 4, 7, 5√2, 6√2, 10, 11, 12, 11√2, 12√2, 17, 21, 22, 16√2, 17√2, 18√2.

Code: 217 0 45 180 21 45 124 33 33 123 45 33 64 39 27 223 45 11 33 3 24 47 3 27 56 2 22 105 7 17 164 23 11 75 0 17 21 2 24 12 3 23 11 3 24 177 0 17 170 17 17 114 34 0 113 45 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)

21
18√2
12√2
12
6√2
22
3
4
5√2
10
16√2
7
2
1√2
1
17
17√2
11√2
11