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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:112BH GHM

Order: 18

Horizontal side: 112 Vertical side: 112

Elements: 1√2, 2, 4, 4√2, 6, 7√2, 14, 14√2, 18√2, 28, 20√2, 36, 38, 28√2, 38√2, 56, 74, 56√2.

Code: 745 0 38 564 56 56 563 112 56 144 70 42 143 84 42 287 84 56 286 84 28 44 74 38 43 78 38 67 78 42 76 77 35 387 0 38 380 38 38 204 58 18 23 78 36 186 58 18 365 76 0 14 77 35

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)

74
56√2
56
14√2
14
28
28√2
4√2
4
6
7√2
38
38√2
20√2
2
18√2
36
1√2