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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:216BQ GHM

Order: 19

Horizontal side: 216 Vertical side: 216

Elements: 1√2, 2, 2√2, 3√2, 6, 10, 12, 22, 16√2, 32, 27√2, 54, 76, 54√2, 86, 76√2, 81√2, 140, 108√2.

Code: 1405 0 76 1084 108 108 816 135 135 270 135 135 321 140 108 162 156 92 221 162 108 542 216 54 36 153 89 65 156 86 10 153 89 123 152 76 27 152 88 20 154 88 107 152 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
16√2
22
54√2
3√2
6
1√2
12
2
2√2
10
86
76
76√2
54