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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:164BP2of4 GHM

Order: 19

Horizontal side: 164 Vertical side: 164

Elements: 2, 2√2, 4, 4√2, 6, 6√2, 7√2, 13√2, 20, 26, 23√2, 26√2, 46, 46√2, 66, 72, 69√2, 72√2, 118.

Code: 1187 0 164 260 118 164 261 144 164 132 157 151 201 164 164 70 157 151 60 150 144 44 154 140 43 158 140 67 158 144 726 92 72 24 156 138 23 158 138 696 23 69 667 92 138 725 92 0 230 23 69 467 0 46 460 46 46

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)

118
26√2
26
13√2
20
7√2
6√2
4√2
4
6
72√2
2√2
2
69√2
66
72
23√2
46
46√2