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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:158AM4of4 GHM

Order: 18

Horizontal side: 158 Vertical side: 158

Elements: 8, 8√2, 16, 20, 16√2, 24, 26, 20√2, 32, 23√2, 26√2, 40, 46, 46√2, 66, 66√2, 69√2, 112.

Code: 1127 0 158 236 89 135 467 112 158 466 112 112 690 89 135 206 0 46 407 20 66 243 60 42 327 60 66 660 92 66 661 158 66 205 0 26 160 36 42 161 52 42 82 60 34 81 60 42 265 0 0 264 26 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)

112
23√2
46
46√2
69√2
20√2
40
24
32
66√2
66
20
16√2
16
8√2
8
26
26√2