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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:76AH GHM

Order: 18

Horizontal side: 76 Vertical side: 76

Elements: 1√2, 3√2, 6, 6√2, 10√2, 18, 13√2, 20, 24, 26, 28, 20√2, 30, 23√2, 24√2, 36, 26√2, 28√2.

Code: 365 0 40 264 26 50 263 52 50 247 52 76 246 52 52 12 53 51 230 53 51 134 39 37 202 20 20 301 30 40 62 36 34 61 36 40 32 39 37 187 30 28 280 48 28 281 76 28 203 20 0 102 30 10

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)

36
26√2
26
24
24√2
1√2
23√2
13√2
20√2
30
6√2
6
3√2
18
28√2
28
20
10√2