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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:164BP1of4 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 20 150 144 21 152 144 65 152 138 64 158 138 726 92 72 40 148 142 41 152 142 696 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
2√2
2
6
6√2
72√2
4√2
4
69√2
66
72
23√2
46
46√2