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Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:59AA3of4 GHM

Order: 18

Horizontal side: 59 Vertical side: 59

Elements: 4√2, 8, 6√2, 9, 8√2, 12, 9√2, 16, 12√2, 17, 18, 16√2, 24, 17√2, 18√2, 26, 21√2, 25√2.

Code: 252 25 34 214 21 38 170 42 59 171 59 59 46 21 38 87 25 42 243 33 18 122 45 30 261 59 42 123 45 18 62 51 24 80 51 24 96 0 9 185 9 0 184 27 0 160 43 16 161 59 16 95 0 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)

25√2
21√2
17√2
17
4√2
8
24
12√2
26
12
6√2
8√2
9√2
18
18√2
16√2
16
9