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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:212AX2of4 GHM

Order: 19

Horizontal side: 212 Vertical side: 212

Elements: 4, 4√2, 8, 7√2, 8√2, 12, 14, 12√2, 14√2, 26√2, 40, 33√2, 66, 80, 66√2, 106, 80√2, 132, 106√2.

Code: 1325 0 80 1064 106 106 1063 212 106 264 132 80 140 158 106 141 172 106 72 179 99 401 212 106 330 179 99 120 144 92 84 152 84 83 160 84 127 160 92 44 156 80 43 160 80 805 0 0 804 80 0 660 146 66 661 212 66

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)

132
106√2
106
26√2
14√2
14
7√2
40
33√2
12√2
8√2
8
12
4√2
4
80
80√2
66√2
66