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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:110AW GHM

Order: 18

Horizontal side: 110 Vertical side: 110

Elements: 3√2, 11, 9√2, 15, 11√2, 12√2, 18, 13√2, 15√2, 22, 24, 30, 31, 43, 55, 43√2, 67, 55√2.

Code: 675 0 43 554 55 55 553 110 55 124 67 43 90 79 55 311 110 55 30 70 46 181 88 46 225 88 24 437 0 43 430 43 43 301 73 43 152 88 28 153 88 13 115 88 13 114 99 13 243 110 0 134 86 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)

67
55√2
55
12√2
9√2
31
3√2
18
22
43
43√2
30
15√2
15
11
11√2
24
13√2