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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:66AC GHM

Order: 19

Horizontal side: 66 Vertical side: 66

Elements: 4, 3√2, 4√2, 6, 8, 6√2, 8√2, 9√2, 14, 10√2, 16, 14√2, 20, 16√2, 26, 20√2, 26√2, 40, 30√2.

Code: 407 0 66 260 40 66 261 66 66 146 0 26 165 14 24 164 30 24 106 36 30 207 46 40 206 46 20 300 36 30 145 0 12 85 14 16 84 22 16 45 14 12 44 18 12 62 6 6 94 9 3 63 6 0 32 9 3

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)

40
26√2
26
14√2
16
16√2
10√2
20
20√2
30√2
14
8
8√2
4
4√2
6√2
9√2
6
3√2