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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:104BN GHM

Order: 18

Horizontal side: 104 Vertical side: 104

Elements: 4, 4√2, 8, 11, 8√2, 10√2, 19, 20, 15√2, 22, 20√2, 30, 22√2, 37, 52, 37√2, 67, 52√2.

Code: 675 0 37 524 52 52 523 104 52 154 67 37 220 82 52 221 104 52 377 0 37 370 37 37 191 56 37 117 56 37 40 60 30 41 64 30 205 64 10 204 84 10 303 104 0 87 56 26 86 56 18 104 74 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)

67
52√2
52
15√2
22√2
22
37
37√2
19
11
4√2
4
20
20√2
30
8
8√2
10√2