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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:136AH GHM

Order: 18

Horizontal side: 136 Vertical side: 136

Elements: 1√2, 2, 2√2, 8√2, 14, 10√2, 12√2, 13√2, 20, 26, 20√2, 40, 48, 58, 68, 78, 58√2, 68√2.

Code: 785 0 58 684 68 68 683 136 68 104 78 58 80 88 68 481 136 68 20 80 60 21 82 60 12 83 59 141 96 60 405 96 20 130 83 59 587 0 58 580 58 58 124 70 46 261 96 46 204 116 0 203 136 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
68√2
68
10√2
8√2
48
2√2
2
1√2
14
40
13√2
58
58√2
12√2
26
20√2
20