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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:212BI GHM

Order: 19

Horizontal side: 212 Vertical side: 212

Elements: 2, 2√2, 4, 4√2, 8, 7√2, 8√2, 30, 30√2, 31√2, 46, 60, 45√2, 53√2, 76, 106, 76√2, 136, 106√2.

Code: 1365 0 76 1064 106 106 1063 212 106 304 136 76 303 166 76 467 166 106 536 159 53 767 0 76 760 76 76 454 121 31 86 158 68 46 154 64 85 158 60 26 152 62 45 154 60 316 121 31 25 152 60 605 152 0 74 159 53

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
106√2
106
30√2
30
46
53√2
76
76√2
45√2
8√2
4√2
8
2√2
4
31√2
2
60
7√2