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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:104AO GHM

Order: 18

Horizontal side: 104 Vertical side: 104

Elements: 5√2, 8, 7√2, 8√2, 14, 16, 14√2, 21, 24, 28, 21√2, 31, 24√2, 28√2, 31√2, 52, 45√2, 52√2.

Code: 525 0 52 524 52 52 456 59 59 70 59 59 215 0 31 214 21 31 163 42 36 247 42 52 240 66 52 50 26 36 84 34 28 83 42 28 317 0 31 310 31 31 284 62 0 283 90 0 142 104 14 143 104 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)

52
52√2
45√2
7√2
21
21√2
16
24
24√2
5√2
8√2
8
31
31√2
28√2
28
14√2
14