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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:50AI GHM

Order: 18

Horizontal side: 50 Vertical side: 50

Elements: 1, 1√2, 2, 2√2, 3√2, 7, 6√2, 7√2, 11, 8√2, 12, 14, 12√2, 18, 25, 18√2, 32, 25√2.

Code: 325 0 18 254 25 25 253 50 25 74 32 18 73 39 18 32 42 22 111 50 25 26 40 20 82 50 14 16 39 19 25 40 18 15 39 18 187 0 18 180 18 18 124 30 6 123 42 6 143 50 0 64 36 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)

32
25√2
25
7√2
7
3√2
11
2√2
8√2
1√2
2
1
18
18√2
12√2
12
14
6√2