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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:131AC GHM

Order: 18

Horizontal side: 131 Vertical side: 131

Elements: 4√2, 8, 7√2, 8√2, 12, 14, 12√2, 14√2, 24, 25, 25√2, 39, 28√2, 39√2, 46√2, 53√2, 78, 92.

Code: 927 0 131 783 92 53 392 131 92 391 131 131 466 85 46 146 0 39 82 22 45 81 22 53 42 26 49 284 50 25 530 78 53 74 85 46 126 14 37 245 26 25 145 0 25 125 14 25 255 0 0 254 25 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
78
39√2
39
46√2
14√2
8√2
8
4√2
28√2
53√2
7√2
12√2
24
14
12
25
25√2