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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:60AD GHM

Order: 18

Horizontal side: 60 Vertical side: 60

Elements: 5, 6, 5√2, 10, 8√2, 13, 15, 16, 13√2, 19, 14√2, 20, 22, 16√2, 19√2, 28, 22√2, 25√2.

Code: 287 0 60 153 28 45 105 28 50 164 44 44 163 60 44 55 28 45 54 33 45 256 13 25 142 52 36 136 0 32 207 13 45 84 52 36 226 38 22 135 0 19 65 13 19 225 38 0 197 0 19 190 19 19

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)

28
15
10
16√2
16
5
5√2
25√2
14√2
13√2
20
8√2
22√2
13
6
22
19
19√2