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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:70BD GHM

Order: 18

Horizontal side: 70 Vertical side: 70

Elements: 1√2, 2, 2√2, 8, 11, 8√2, 9√2, 14, 10√2, 11√2, 12√2, 13√2, 23, 24, 23√2, 35, 47, 35√2.

Code: 475 0 23 354 35 35 353 70 35 124 47 23 143 59 21 112 70 24 111 70 35 243 70 0 237 0 23 230 23 23 104 33 13 16 42 22 25 43 21 24 45 21 90 42 22 84 51 13 83 59 13 134 46 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)

47
35√2
35
12√2
14
11√2
11
24
23
23√2
10√2
1√2
2
2√2
9√2
8√2
8
13√2