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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:172AC4of4 GHM

Order: 18

Horizontal side: 172 Vertical side: 172

Elements: 3√2, 4√2, 6, 8, 6√2, 12, 9√2, 18, 26, 30, 30√2, 56, 60, 56√2, 60√2, 86, 112, 86√2.

Code: 1125 0 60 864 86 86 863 172 86 261 112 86 185 112 68 304 142 56 303 172 56 85 112 60 121 124 68 62 130 62 61 130 68 32 133 65 90 133 65 605 0 0 604 60 0 40 120 60 560 116 56 561 172 56

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)

112
86√2
86
26
18
30√2
30
8
12
6√2
6
3√2
9√2
60
60√2
4√2
56√2
56