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Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:60AO2of4 GHM

Order: 18

Horizontal side: 60 Vertical side: 60

Elements: 2√2, 4, 3√2, 4√2, 6, 6√2, 11, 12, 9√2, 15, 18, 13√2, 15√2, 26, 19√2, 30, 34, 30√2.

Code: 347 0 60 136 21 47 267 34 60 306 30 30 123 21 35 62 27 41 63 27 35 32 30 38 196 11 19 42 34 34 96 0 26 187 9 35 305 30 0 115 0 15 26 9 17 45 11 15 157 0 15 150 15 15

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
13√2
26
30√2
12
6√2
6
3√2
19√2
4√2
9√2
18
30
11
2√2
4
15
15√2