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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:220BZ2of4 GHM

Order: 19

Horizontal side: 220 Vertical side: 220

Elements: 4√2, 8, 7√2, 8√2, 12, 14, 12√2, 14√2, 24, 18√2, 28, 64, 78, 64√2, 92, 71√2, 78√2, 142, 110√2.

Code: 1425 0 78 1104 110 110 923 220 128 186 110 110 127 128 128 120 140 128 84 148 120 83 156 120 647 156 128 646 156 64 44 152 116 283 156 92 247 128 116 144 142 78 143 156 78 785 0 0 784 78 0 76 149 71 710 149 71

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)

142
110√2
92
18√2
12
12√2
8√2
8
64
64√2
4√2
28
24
14√2
14
78
78√2
7√2
71√2