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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:212AK GHM

Order: 19

Horizontal side: 212 Vertical side: 212

Elements: 4, 3√2, 4√2, 6, 8, 6√2, 9√2, 17√2, 34, 26√2, 29√2, 34√2, 68, 72, 89, 106, 123, 89√2, 106√2.

Code: 1235 0 89 1064 106 106 1063 212 106 174 123 89 83 140 98 42 144 102 721 212 106 43 144 98 685 144 34 90 132 98 64 138 92 63 144 92 34 141 89 296 115 63 897 0 89 890 89 89 264 115 63 344 178 0 343 212 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)

123
106√2
106
17√2
8
4√2
72
4
68
9√2
6√2
6
3√2
29√2
89
89√2
26√2
34√2
34