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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:152DS GHM

Order: 19

Horizontal side: 152 Vertical side: 152

Elements: 6, 6√2, 12, 13, 18, 20, 18√2, 20√2, 30, 23√2, 33, 36, 40, 46, 53, 53√2, 76, 99, 76√2.

Code: 995 0 53 764 76 76 763 152 76 234 99 53 363 122 40 182 140 58 301 152 76 183 140 40 125 140 46 537 0 53 530 53 53 331 86 53 137 86 53 65 140 40 64 146 40 463 152 0 207 86 40 206 86 20 407 106 40

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)

99
76√2
76
23√2
36
18√2
30
18
12
53
53√2
33
13
6
6√2
46
20
20√2
40