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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:234AH GHM

Order: 19

Horizontal side: 234 Vertical side: 234

Elements: 18, 20, 26, 20√2, 21√2, 22√2, 26√2, 40, 42, 31√2, 44, 52, 60, 65, 91, 117, 91√2, 143, 117√2.

Code: 1435 0 91 1174 117 117 1173 234 117 264 143 91 263 169 91 445 169 73 651 234 117 917 0 91 910 91 91 601 151 91 405 151 51 181 169 91 224 191 51 423 213 31 212 234 52 523 234 0 205 151 31 204 171 31 314 182 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)

143
117√2
117
26√2
26
44
65
91
91√2
60
40
18
22√2
42
21√2
52
20
20√2
31√2