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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:54AJ GHM

Order: 18

Horizontal side: 54 Vertical side: 54

Elements: 1√2, 4, 4√2, 8, 6√2, 11, 12, 13, 10√2, 11√2, 12√2, 18, 13√2, 20, 24, 18√2, 30, 36.

Code: 365 0 18 301 30 54 132 43 41 131 43 54 117 43 54 116 43 43 12 44 42 100 44 42 46 30 28 85 34 24 201 54 32 45 30 24 64 36 18 243 42 0 122 54 12 185 0 0 184 18 0 123 54 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)

36
30
13√2
13
11
11√2
1√2
10√2
4√2
8
20
4
6√2
24
12√2
18
18√2
12