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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:198AO GHM

Order: 18

Horizontal side: 198 Vertical side: 198

Elements: 1√2, 6, 6√2, 12, 10√2, 11√2, 12√2, 20, 24, 46, 46√2, 66, 76, 86, 66√2, 76√2, 122, 132.

Code: 1325 0 66 1221 122 198 767 122 198 766 122 122 245 122 98 112 133 87 124 134 86 123 146 86 62 152 92 63 152 86 462 198 46 10 133 87 106 122 76 207 132 86 863 152 0 665 0 0 664 66 0 463 198 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
122
76
76√2
24
11√2
12√2
12
6√2
6
46√2
1√2
10√2
20
86
66
66√2
46