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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:198AE GHM

Order: 18

Horizontal side: 198 Vertical side: 198

Elements: 15√2, 22, 16√2, 19√2, 30, 22√2, 32, 35, 38, 30√2, 32√2, 52, 64, 67, 67√2, 99, 131, 99√2.

Code: 1315 0 67 994 99 99 993 198 99 324 131 67 323 163 67 162 179 83 351 198 99 383 179 45 192 198 64 677 0 67 670 67 67 521 119 67 225 119 45 224 141 45 643 198 0 305 119 15 304 149 15 154 134 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)

131
99√2
99
32√2
32
16√2
35
38
19√2
67
67√2
52
22
22√2
64
30
30√2
15√2