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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:198AR GHM

Order: 18

Horizontal side: 198 Vertical side: 198

Elements: 1√2, 6√2, 7√2, 8√2, 12, 16, 12√2, 18, 24, 50, 66, 50√2, 74, 82, 66√2, 74√2, 124, 132.

Code: 1325 0 66 1241 124 198 747 124 198 746 124 124 245 124 100 125 124 88 124 136 88 183 148 82 502 198 50 72 131 81 64 130 82 14 131 81 86 124 74 167 132 82 823 148 0 665 0 0 664 66 0 503 198 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)

132
124
74
74√2
24
12
12√2
18
50√2
7√2
6√2
1√2
8√2
16
82
66
66√2
50