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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:142BR GHM

Order: 18

Horizontal side: 142 Vertical side: 142

Elements: 4, 4√2, 5√2, 8, 10, 10√2, 20, 25√2, 29√2, 42, 30√2, 33√2, 50, 42√2, 70, 50√2, 80, 92.

Code: 927 0 142 300 92 142 254 117 117 203 142 122 56 117 117 105 122 112 104 132 112 803 142 42 336 29 79 707 62 112 290 29 79 507 0 50 500 50 50 81 58 50 42 62 46 43 62 42 424 100 0 423 142 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)

92
30√2
25√2
20
5√2
10
10√2
80
33√2
70
29√2
50
50√2
8
4√2
4
42√2
42