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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:46AB GHM

Order: 19

Horizontal side: 46 Vertical side: 46

Elements: 1, 1√2, 2, 5, 6√2, 7√2, 10, 8√2, 12, 14, 10√2, 16, 17, 18, 14√2, 20, 21, 16√2, 18√2.

Code: 185 0 28 184 18 28 100 36 46 101 46 46 66 20 30 125 26 24 201 46 36 23 20 28 12 21 29 13 21 28 55 21 24 142 14 14 211 21 28 177 21 24 80 38 24 160 30 16 161 46 16 143 14 0 72 21 7

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
18√2
10√2
10
6√2
12
20
2
1√2
1
5
14√2
21
17
8√2
16√2
16
14
7√2