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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:154AB GHM

Order: 18

Horizontal side: 154 Vertical side: 154

Elements: 12√2, 18, 24, 18√2, 24√2, 34, 25√2, 36, 27√2, 48, 34√2, 50, 52, 68, 50√2, 72, 52√2, 68√2.

Code: 685 0 86 684 68 86 180 136 154 181 154 154 120 118 136 361 154 136 723 106 52 247 106 124 240 130 124 487 106 100 506 104 50 345 0 52 344 34 52 527 0 52 520 52 52 274 79 25 256 79 25 505 104 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)

68
68√2
18√2
18
12√2
36
72
24
24√2
48
50√2
34
34√2
52
52√2
27√2
25√2
50