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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:134AD GHM

Order: 18

Horizontal side: 134 Vertical side: 134

Elements: 1√2, 2, 2√2, 4, 4√2, 8, 11√2, 15√2, 22, 19√2, 22√2, 44, 45, 56, 67, 78, 56√2, 67√2.

Code: 785 0 56 674 67 67 673 134 67 114 78 56 10 89 67 451 134 67 20 88 66 21 90 66 445 90 22 83 86 56 42 90 60 41 90 64 196 71 41 567 0 56 560 56 56 154 71 41 224 112 0 223 134 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)

78
67√2
67
11√2
1√2
45
2√2
2
44
8
4√2
4
19√2
56
56√2
15√2
22√2
22