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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:136BH JDS

Order: 19

Horizontal side: 136 Vertical side: 136

Elements: 4, 3√2, 4√2, 6, 8, 12, 14, 11√2, 14√2, 20, 28, 34, 28√2, 34√2, 42√2, 68, 54√2, 80, 68√2.

Code: 805 0 56 684 68 68 683 136 68 121 80 68 85 80 60 114 91 57 143 102 54 347 102 68 346 102 34 45 80 56 44 84 56 63 88 54 32 91 57 282 28 28 424 42 14 540 82 54 201 102 54 283 28 0 142 42 14

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)

80
68√2
68
12
8
11√2
14
34
34√2
4
4√2
6
3√2
28√2
42√2
54√2
20
28
14√2