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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:54AC GHM

Order: 18

Horizontal side: 54 Vertical side: 54

Elements: 2, 4, 3√2, 4√2, 6, 8, 6√2, 7√2, 8√2, 13, 14, 10√2, 16, 20, 27, 20√2, 34, 27√2.

Code: 345 0 20 274 27 27 273 54 27 74 34 20 30 41 27 131 54 27 43 38 20 67 38 24 66 38 18 102 54 14 207 0 20 200 20 20 161 36 20 82 44 12 21 38 20 143 54 0 83 44 4 44 40 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)

34
27√2
27
7√2
3√2
13
4
6
6√2
10√2
20
20√2
16
8√2
2
14
8
4√2