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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:154AO GHM

Order: 18

Horizontal side: 154 Vertical side: 154

Elements: 4√2, 11√2, 12√2, 20, 22, 16√2, 24, 20√2, 21√2, 22√2, 32, 40, 45, 61, 77, 61√2, 93, 77√2.

Code: 935 0 61 774 77 77 773 154 77 164 93 61 120 109 77 451 154 77 40 97 65 241 121 65 222 143 43 617 0 61 610 61 61 401 101 61 202 121 41 223 143 21 112 154 32 203 121 21 323 154 0 214 122 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)

93
77√2
77
16√2
12√2
45
4√2
24
22√2
61
61√2
40
20√2
22
11√2
20
32
21√2