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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:154AW GHM

Order: 19

Horizontal side: 154 Vertical side: 154

Elements: 10, 9√2, 13, 10√2, 18, 13√2, 20, 18√2, 20√2, 31, 22√2, 37, 40, 35√2, 57, 77, 57√2, 97, 77√2.

Code: 975 0 57 774 77 77 773 154 77 204 97 57 203 117 57 102 127 67 371 154 77 103 127 57 182 145 49 577 0 57 570 57 57 354 92 22 136 114 44 183 145 31 92 154 40 226 92 22 135 114 31 403 154 0 317 114 31

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)

97
77√2
77
20√2
20
10√2
37
10
18√2
57
57√2
35√2
13√2
18
9√2
22√2
13
40
31