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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:212AM GHM

Order: 19

Horizontal side: 212 Vertical side: 212

Elements: 6, 8, 7√2, 14, 15, 14√2, 15√2, 23, 17√2, 34, 38, 34√2, 68, 72, 89, 106, 123, 89√2, 106√2.

Code: 1235 0 89 1064 106 106 1063 212 106 174 123 89 233 140 83 385 140 68 721 212 106 897 0 89 890 89 89 144 103 75 143 117 75 67 117 89 87 117 83 150 125 83 151 140 83 74 110 68 681 178 68 342 212 34 343 212 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
23
38
72
89
89√2
14√2
14
6
8
15√2
15
7√2
68
34√2
34