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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:228AE GHM

Order: 19

Horizontal side: 228 Vertical side: 228

Elements: 11, 12, 20, 16√2, 28, 20√2, 21√2, 31, 32, 28√2, 42, 56, 42√2, 72, 93, 114, 93√2, 135, 114√2.

Code: 1355 0 93 1144 114 114 1143 228 114 214 135 93 323 156 82 162 172 98 721 228 114 286 144 70 565 172 42 937 0 93 930 93 93 311 124 93 117 124 93 207 124 82 206 124 62 127 144 82 285 144 42 424 186 0 423 228 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)

135
114√2
114
21√2
32
16√2
72
28√2
56
93
93√2
31
11
20
20√2
12
28
42√2
42