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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:161AD GHM

Order: 19

Horizontal side: 161 Vertical side: 161

Elements: 9√2, 12√2, 13√2, 26, 28, 21√2, 26√2, 28√2, 42, 30√2, 52, 53, 56, 42√2, 53√2, 54√2, 77, 56√2, 80.

Code: 777 0 161 560 77 161 561 133 161 282 161 133 281 161 161 803 161 53 210 21 105 304 51 75 266 55 79 527 81 105 422 42 42 421 42 84 92 51 75 136 42 66 265 55 53 122 54 54 540 54 54 534 108 0 533 161 0

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)

77
56√2
56
28√2
28
80
21√2
30√2
26√2
52
42√2
42
9√2
13√2
26
12√2
54√2
53√2
53