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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:164AF GHM

Order: 18

Horizontal side: 164 Vertical side: 164

Elements: 4, 4√2, 10, 10√2, 20, 15√2, 30, 37, 41, 30√2, 37√2, 39√2, 41√2, 45√2, 78, 82, 86, 82√2.

Code: 867 0 164 396 47 125 787 86 164 826 82 82 106 37 115 205 47 105 376 0 78 105 37 105 302 67 75 301 67 105 152 82 90 456 37 45 42 86 86 825 82 0 375 0 41 45 37 41 417 0 41 410 41 41

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)

86
39√2
78
82√2
10√2
20
37√2
10
30√2
30
15√2
45√2
4√2
82
37
4
41
41√2