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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:216BR GHM

Order: 19

Horizontal side: 216 Vertical side: 216

Elements: 2, 2√2, 4, 4√2, 10, 12, 14, 18, 22, 32, 27√2, 54, 76, 54√2, 86, 76√2, 81√2, 140, 108√2.

Code: 1405 0 76 1084 108 108 816 135 135 270 135 135 321 140 108 185 140 90 221 162 108 542 216 54 147 140 90 26 152 88 47 154 90 40 158 90 123 152 76 25 152 86 107 152 86 863 162 0 765 0 0 764 76 0 543 216 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)

140
108√2
81√2
27√2
32
18
22
54√2
14
2√2
4
4√2
12
2
10
86
76
76√2
54