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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:52AA GHM

Order: 18

Horizontal side: 52 Vertical side: 52

Elements: 2√2, 3, 4, 4√2, 6, 5√2, 6√2, 10, 13, 14, 16, 18, 20, 16√2, 18√2, 19√2, 20√2, 23√2.

Code: 232 23 29 184 18 34 133 36 39 167 36 52 166 36 36 56 18 34 107 23 39 190 33 39 31 36 39 143 14 6 187 14 20 200 32 20 201 52 20 67 0 6 60 6 6 44 10 2 43 14 2 24 12 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)

23√2
18√2
13
16
16√2
5√2
10
19√2
3
14
18
20√2
20
6
6√2
4√2
4
2√2