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Primitive Perfect Isosceles Right Triangled Square

Title: _e 18:142BP GHM

Order: 18

Horizontal side: 142 Vertical side: 142

Elements: 11, 12, 11√2, 12√2, 18, 24, 18√2, 33, 24√2, 40, 33√2, 36√2, 51, 40√2, 69, 51√2, 73, 91.

Code: 917 0 142 733 91 69 517 91 142 516 91 91 112 102 80 113 102 69 402 142 40 186 0 51 127 18 69 120 30 69 364 66 33 693 102 0 247 18 57 240 42 57 185 0 33 403 142 0 335 0 0 334 33 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)

91
73
51
51√2
11√2
11
40√2
18√2
12
12√2
36√2
69
24
24√2
18
40
33
33√2