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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:205AA GHM

Order: 19

Horizontal side: 205 Vertical side: 205

Elements: 2, 2√2, 4, 4√2, 7, 8, 7√2, 8√2, 23, 23√2, 53, 69, 53√2, 76, 83, 69√2, 76√2, 129, 136.

Code: 1365 0 69 1291 129 205 767 129 205 766 129 129 232 152 106 233 152 83 532 205 53 77 129 83 76 129 76 85 136 75 84 144 75 833 152 0 45 136 71 44 140 71 25 136 69 24 138 69 695 0 0 694 69 0 533 205 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)

136
129
76
76√2
23√2
23
53√2
7
7√2
8
8√2
83
4
4√2
2
2√2
69
69√2
53