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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:218BN1of8 GHM

Order: 19

Horizontal side: 218 Vertical side: 218

Elements: 8, 8√2, 16, 20, 16√2, 24, 20√2, 32, 40, 46, 33√2, 40√2, 46√2, 66, 86, 66√2, 86√2, 99√2, 152.

Code: 1527 0 218 336 119 185 667 152 218 666 152 152 990 119 185 206 0 66 405 20 46 164 36 70 163 52 70 82 60 78 404 92 46 860 132 86 861 218 86 83 60 70 325 60 46 241 60 70 205 0 46 465 0 0 464 46 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)

152
33√2
66
66√2
99√2
20√2
40
16√2
16
8√2
40√2
86√2
86
8
32
24
20
46
46√2