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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:212AI GHM

Order: 19

Horizontal side: 212 Vertical side: 212

Elements: 1√2, 2, 2√2, 4, 6, 7√2, 14, 17√2, 24√2, 34, 31√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 26 138 104 45 140 102 721 212 106 16 137 103 25 138 102 143 137 89 72 144 96 61 144 102 685 144 34 316 113 65 897 0 89 890 89 89 244 113 65 344 178 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
2√2
4
72
1√2
2
14
7√2
6
68
31√2
89
89√2
24√2
34√2
34