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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:130AN GHM

Order: 18

Horizontal side: 130 Vertical side: 130

Elements: 5√2, 10, 10√2, 16, 15√2, 16√2, 24, 30, 32, 24√2, 30√2, 32√2, 50, 56, 60, 64, 50√2, 80.

Code: 807 0 130 500 80 130 501 130 130 306 0 50 607 30 80 160 90 80 161 106 80 242 130 56 241 130 80 643 74 0 322 106 32 321 106 64 563 130 0 305 0 20 102 10 10 154 15 5 103 10 0 52 15 5

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)

80
50√2
50
30√2
60
16√2
16
24√2
24
64
32√2
32
56
30
10√2
15√2
10
5√2