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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:228AT GHM

Order: 19

Horizontal side: 228 Vertical side: 228

Elements: 8, 7√2, 8√2, 14, 14√2, 17√2, 21√2, 34, 36, 26√2, 52, 62, 45√2, 52√2, 88, 114, 88√2, 140, 114√2.

Code: 1405 0 88 1144 114 114 1143 228 114 264 140 88 343 166 80 172 183 97 621 228 114 450 183 97 887 0 88 880 88 88 361 124 88 85 124 80 84 132 80 142 138 66 214 145 59 143 138 52 72 145 59 524 176 0 523 228 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)

140
114√2
114
26√2
34
17√2
62
45√2
88
88√2
36
8
8√2
14√2
21√2
14
7√2
52√2
52