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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:71AA GHM

Order: 18

Horizontal side: 71 Vertical side: 71

Elements: 3√2, 6, 6√2, 9, 8√2, 9√2, 10√2, 16, 18, 16√2, 25, 18√2, 19√2, 27, 22√2, 36, 37, 44.

Code: 447 0 71 363 44 35 182 62 53 181 62 71 92 71 62 91 71 71 373 71 25 86 0 27 167 8 35 160 24 35 104 34 25 275 0 0 64 40 19 63 46 19 32 49 22 251 71 25 220 49 22 194 27 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)

44
36
18√2
18
9√2
9
37
8√2
16
16√2
10√2
27
6√2
6
3√2
25
22√2
19√2