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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:60AK GHM

Order: 18

Horizontal side: 60 Vertical side: 60

Elements: 2√2, 4, 4√2, 6, 6√2, 12, 9√2, 13, 14, 11√2, 17, 18, 20, 17√2, 26, 30, 34, 30√2.

Code: 345 0 26 304 30 30 303 60 30 44 34 26 183 38 12 92 47 21 114 49 19 133 60 17 265 0 0 201 20 26 147 20 26 43 47 17 22 49 19 170 43 17 171 60 17 67 20 12 66 20 6 127 26 12

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)

34
30√2
30
4√2
18
9√2
11√2
13
26
20
14
4
2√2
17√2
17
6
6√2
12