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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:286AA GHM

Order: 19

Horizontal side: 286 Vertical side: 286

Elements: 3√2, 6, 6√2, 12, 12√2, 14√2, 28, 21√2, 28√2, 42, 56, 66, 84, 101, 122, 143, 164, 122√2, 143√2.

Code: 1645 0 122 1434 143 143 1433 286 143 214 164 122 30 185 143 1011 286 143 60 182 140 61 188 140 845 188 56 120 176 134 121 188 134 1227 0 122 1220 122 122 661 188 122 561 244 56 282 272 28 281 272 56 142 286 42 423 286 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)

164
143√2
143
21√2
3√2
101
6√2
6
84
12√2
12
122
122√2
66
56
28√2
28
14√2
42