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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:36AA4of5 GHM

Order: 18

Horizontal side: 36 Vertical side: 36

Elements: 1, 1√2, 2, 2√2, 3, 4, 3√2, 4√2, 5√2, 8, 10, 8√2, 12, 10√2, 16, 20, 16√2, 18√2.

Code: 207 0 36 163 20 20 102 30 26 101 30 36 52 35 31 34 33 33 33 36 33 21 35 33 12 36 32 11 36 33 166 20 16 40 4 20 41 8 20 127 8 20 26 18 18 180 18 18 82 8 8 81 8 16

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)

20
16
10√2
10
5√2
3√2
3
2
1√2
1
16√2
4√2
4
12
2√2
18√2
8√2
8