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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:139AD GHM

Order: 18

Horizontal side: 139 Vertical side: 139

Elements: 9, 12, 12√2, 20, 24, 20√2, 24√2, 36, 27√2, 40, 45, 48, 34√2, 36√2, 54, 60, 67, 103.

Code: 1037 0 139 453 103 94 367 103 139 366 103 103 95 103 94 340 58 94 541 112 94 272 139 67 673 139 0 246 0 36 487 24 60 603 72 0 207 72 60 200 92 60 407 72 40 245 0 12 125 0 0 124 12 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)

103
45
36
36√2
9
34√2
54
27√2
67
24√2
48
60
20
20√2
40
24
12
12√2