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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:216BV GHM

Order: 19

Horizontal side: 216 Vertical side: 216

Elements: 1√2, 2, 2√2, 3√2, 6, 5√2, 6√2, 10√2, 22, 27√2, 54, 76, 54√2, 81, 86, 76√2, 81√2, 135, 140.

Code: 1405 0 76 1351 135 216 817 135 216 816 135 135 272 162 108 223 162 86 542 216 54 56 135 81 22 142 84 21 142 86 12 143 85 104 152 76 863 162 0 30 143 85 67 140 82 60 146 82 765 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
135
81
81√2
27√2
22
54√2
5√2
2√2
2
1√2
10√2
86
3√2
6
6√2
76
76√2
54