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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:158AI GHM

Order: 18

Horizontal side: 158 Vertical side: 158

Elements: 4√2, 8, 10, 10√2, 11√2, 30, 42, 30√2, 46, 34√2, 52, 60, 45√2, 46√2, 68, 56√2, 82, 64√2.

Code: 685 0 90 644 64 94 603 128 98 302 158 128 301 158 158 823 158 46 46 64 94 87 68 98 423 76 56 527 76 98 452 45 45 344 34 56 114 45 45 560 56 56 104 66 46 103 76 46 464 112 0 463 158 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)

68
64√2
60
30√2
30
82
4√2
8
42
52
45√2
34√2
11√2
56√2
10√2
10
46√2
46