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Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:59AA2of4 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 42 180 33 42 261 59 42 66 9 18 127 15 24 126 15 12 247 27 24 80 51 24 96 0 9 185 9 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
18√2
26
6√2
12
12√2
24
8√2
9√2
18
16√2
16
9