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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:104AM GHM

Order: 18

Horizontal side: 104 Vertical side: 104

Elements: 5√2, 8, 8√2, 16, 14√2, 21, 24, 19√2, 28, 21√2, 31, 24√2, 38, 28√2, 31√2, 33√2, 52, 52√2.

Code: 525 0 52 524 52 52 336 71 71 190 71 71 315 0 21 314 31 21 280 62 52 281 90 52 142 104 38 383 104 0 80 34 24 81 42 24 245 42 0 244 66 0 217 0 21 210 21 21 54 26 16 161 42 16

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
33√2
19√2
31
31√2
28√2
28
14√2
38
8√2
8
24
24√2
21
21√2
5√2
16