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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:60AR GHM

Order: 18

Horizontal side: 60 Vertical side: 60

Elements: 2√2, 4, 4√2, 6, 6√2, 10, 12, 9√2, 13, 16, 17, 18, 13√2, 26, 19√2, 30, 34, 30√2.

Code: 347 0 60 183 34 42 92 43 51 134 47 47 133 60 47 26 41 49 45 43 47 190 41 49 171 60 47 163 16 26 67 16 42 66 16 36 127 22 42 105 16 26 44 26 26 300 30 30 301 60 30 267 0 26

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
18
9√2
13√2
13
2√2
4
19√2
17
16
6
6√2
12
10
4√2
30√2
30
26