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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:136AO GHM

Order: 19

Horizontal side: 136 Vertical side: 136

Elements: 4, 3√2, 4√2, 6, 6√2, 12, 18, 21√2, 30, 34, 38, 28√2, 32√2, 34√2, 38√2, 64, 68, 72, 68√2.

Code: 727 0 136 326 40 104 647 72 136 686 68 68 280 40 104 123 12 64 187 12 76 216 9 55 387 30 76 386 30 38 42 72 72 685 68 0 305 0 34 64 6 58 63 12 58 34 9 55 45 30 34 347 0 34 340 34 34

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)

72
32√2
64
68√2
28√2
12
18
21√2
38
38√2
4√2
68
30
6√2
6
3√2
4
34
34√2