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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:54AE GHM

Order: 18

Horizontal side: 54 Vertical side: 54

Elements: 2√2, 4, 4√2, 6, 8, 6√2, 7√2, 11, 8√2, 12, 9√2, 10√2, 16, 19, 19√2, 27, 35, 27√2.

Code: 355 0 19 274 27 27 273 54 27 84 35 19 40 43 27 111 54 27 43 39 19 22 41 21 81 47 23 72 54 16 123 41 9 62 47 15 197 0 19 190 19 19 104 29 9 163 54 0 63 47 9 94 38 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
27√2
27
8√2
4√2
11
4
2√2
8
7√2
12
6√2
19
19√2
10√2
16
6
9√2