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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:136AM GHM

Order: 19

Horizontal side: 136 Vertical side: 136

Elements: 3√2, 4√2, 6, 6√2, 9√2, 12√2, 13√2, 17√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 40 104 120 12 76 94 21 67 66 24 70 387 30 76 386 30 38 42 72 72 36 21 67 65 24 64 685 68 0 307 0 64 136 17 51 170 17 51 347 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√2
9√2
6√2
38
38√2
4√2
3√2
6
68
30
13√2
17√2
34
34√2