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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:143AB GHM

Order: 18

Horizontal side: 143 Vertical side: 143

Elements: 9, 16, 20, 16√2, 20√2, 30, 32, 40, 41, 30√2, 43, 32√2, 50, 40√2, 43√2, 70, 50√2, 93.

Code: 937 0 143 413 93 102 507 93 143 506 93 93 320 52 102 321 84 102 162 100 86 91 93 102 163 100 70 432 143 43 206 0 50 405 20 30 404 60 30 703 100 0 205 0 30 433 143 0 305 0 0 304 30 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
41
50
50√2
32√2
32
16√2
9
16
43√2
20√2
40
40√2
70
20
43
30
30√2