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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:142AF GHM

Order: 18

Horizontal side: 142 Vertical side: 142

Elements: 3√2, 5√2, 10, 9√2, 10√2, 12√2, 18, 15√2, 24, 30, 24√2, 38, 47, 59, 71, 83, 59√2, 71√2.

Code: 835 0 59 714 71 71 713 142 71 124 83 59 90 95 71 471 142 71 30 86 62 181 104 62 385 104 24 597 0 59 590 59 59 301 89 59 152 104 44 106 94 34 56 89 29 105 94 24 244 118 0 243 142 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)

83
71√2
71
12√2
9√2
47
3√2
18
38
59
59√2
30
15√2
10√2
5√2
10
24√2
24