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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:228AD GHM

Order: 18

Horizontal side: 228 Vertical side: 228

Elements: 2, 8√2, 16, 12√2, 13√2, 15√2, 16√2, 24, 26, 30, 56, 76, 56√2, 96, 76√2, 86√2, 152, 114√2.

Code: 1525 0 76 1144 114 114 866 142 142 156 127 127 305 142 112 130 127 127 261 140 114 25 140 112 245 140 88 164 156 96 163 172 96 562 228 56 84 164 88 963 172 0 124 152 76 765 0 0 764 76 0 563 228 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)

152
114√2
86√2
15√2
30
13√2
26
2
24
16√2
16
56√2
8√2
96
12√2
76
76√2
56