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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:166AD GHM

Order: 19

Horizontal side: 166 Vertical side: 166

Elements: 12, 12√2, 15√2, 24, 26, 30, 36, 38, 30√2, 34√2, 36√2, 38√2, 60, 64, 68, 49√2, 72, 64√2, 68√2.

Code: 685 0 98 684 68 98 300 136 166 301 166 166 723 106 64 362 142 100 601 166 136 363 142 64 245 142 76 492 49 49 344 34 64 125 142 64 124 154 64 386 128 38 154 49 49 640 64 64 641 128 64 267 128 64 385 128 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
68√2
30√2
30
72
36√2
60
36
24
49√2
34√2
12
12√2
38√2
15√2
64√2
64
26
38