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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:212AA GHM

Order: 18

Horizontal side: 212 Vertical side: 212

Elements: 7√2, 14, 16, 12√2, 16√2, 24, 24√2, 46, 36√2, 44√2, 46√2, 48√2, 53√2, 60√2, 92, 106, 120, 106√2.

Code: 1205 0 92 1064 106 106 1063 212 106 141 120 106 465 120 60 464 166 60 536 159 53 925 0 0 484 48 44 126 84 80 247 96 92 246 96 68 360 84 80 165 120 44 164 136 44 600 152 60 74 159 53 444 92 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)

120
106√2
106
14
46
46√2
53√2
92
48√2
12√2
24
24√2
36√2
16
16√2
60√2
7√2
44√2