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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:73AD GHM

Order: 18

Horizontal side: 73 Vertical side: 73

Elements: 5, 4√2, 5√2, 10, 11, 10√2, 18, 19, 25, 18√2, 19√2, 27, 28, 30, 23√2, 35, 36, 27√2.

Code: 357 0 73 303 35 43 195 35 54 194 54 54 236 50 50 117 35 54 363 46 18 272 73 27 44 50 50 50 5 43 51 10 43 257 10 43 107 0 38 106 0 28 285 0 0 273 73 0 184 28 0 183 46 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)

35
30
19
19√2
23√2
11
36
27√2
4√2
5√2
5
25
10
10√2
28
27
18√2
18