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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:108BU GHM

Order: 19

Horizontal side: 108 Vertical side: 108

Elements: 4, 4√2, 8, 7√2, 8√2, 13, 14, 12√2, 13√2, 14√2, 27, 28, 26√2, 27√2, 40, 34√2, 54, 68, 54√2.

Code: 685 0 40 544 54 54 543 108 54 141 68 54 132 81 41 131 81 54 277 81 54 276 81 27 76 74 34 405 0 0 264 26 14 120 52 40 84 60 32 83 68 32 340 74 34 44 64 28 43 68 28 146 26 14 287 40 28

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)

68
54√2
54
14
13√2
13
27
27√2
7√2
40
26√2
12√2
8√2
8
34√2
4√2
4
14√2
28