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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:140BK GHM

Order: 19

Horizontal side: 140 Vertical side: 140

Elements: 4, 3√2, 7√2, 10, 14, 11√2, 13√2, 14√2, 21, 16√2, 32, 38, 43, 38√2, 54, 43√2, 54√2, 86, 70√2.

Code: 865 0 54 704 70 70 386 102 102 323 102 70 385 102 64 164 86 54 36 99 67 130 99 67 101 112 64 145 112 50 144 126 50 213 140 43 545 0 0 544 54 0 110 108 54 41 112 54 74 119 43 430 97 43 431 140 43

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)

86
70√2
38√2
32
38
16√2
3√2
13√2
10
14
14√2
21
54
54√2
11√2
4
7√2
43√2
43