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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:164AY4of4 GHM

Order: 19

Horizontal side: 164 Vertical side: 164

Elements: 2√2, 4, 4√2, 8, 6√2, 8√2, 11√2, 16, 22, 19√2, 30, 22√2, 52, 60, 52√2, 82, 60√2, 104, 82√2.

Code: 1045 0 60 824 82 82 823 164 82 224 104 60 66 120 76 85 126 74 194 145 63 303 164 52 163 120 60 82 128 68 45 126 70 44 130 70 223 134 52 112 145 63 24 128 68 605 0 0 604 60 0 520 112 52 521 164 52

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)

104
82√2
82
22√2
6√2
8
19√2
30
16
8√2
4
4√2
22
11√2
2√2
60
60√2
52√2
52