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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:66AB GHM

Order: 19

Horizontal side: 66 Vertical side: 66

Elements: 2√2, 4, 4√2, 6, 8, 6√2, 10, 12, 9√2, 10√2, 12√2, 20, 22, 24, 26, 30, 36, 27√2, 30√2.

Code: 367 0 66 276 9 39 307 36 66 306 36 36 90 9 39 245 36 12 107 0 30 100 10 30 81 18 30 42 22 26 43 22 22 265 22 0 24 20 20 223 22 0 207 0 20 124 48 0 123 60 0 62 66 6 63 66 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)

36
27√2
30
30√2
9√2
24
10
10√2
8
4√2
4
26
2√2
22
20
12√2
12
6√2
6