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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:118AQ GHM

Order: 18

Horizontal side: 118 Vertical side: 118

Elements: 3, 3√2, 9√2, 16, 18, 19, 20, 25, 18√2, 20√2, 25√2, 38, 40, 53, 56, 40√2, 62, 59√2.

Code: 627 0 118 533 62 65 567 62 118 596 59 59 90 9 65 254 34 40 253 59 40 32 62 62 31 62 65 195 59 40 187 0 56 186 0 38 165 18 40 207 18 40 206 18 20 407 38 40 400 78 40 385 0 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)

62
53
56
59√2
9√2
25√2
25
3√2
3
19
18
18√2
16
20
20√2
40
40√2
38