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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:54AS GHM

Order: 19

Horizontal side: 54 Vertical side: 54

Elements: 1√2, 2, 2√2, 4, 4√2, 6, 5√2, 8, 6√2, 7√2, 10, 12, 14, 18, 22, 18√2, 20√2, 36, 27√2.

Code: 365 0 18 274 27 27 206 34 34 76 27 27 125 34 22 27 34 22 26 34 20 47 36 22 223 40 0 62 46 16 61 46 22 85 46 14 185 0 0 184 18 0 16 45 15 50 45 15 44 50 10 143 54 0 107 40 10

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)

36
27√2
20√2
7√2
12
2
2√2
4
22
6√2
6
8
18
18√2
1√2
5√2
4√2
14
10