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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:220BZ1of4 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 85 128 120 84 136 120 120 144 128 121 156 128 647 156 128 646 156 64 285 128 92 44 132 116 241 156 116 144 142 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
8
8√2
12√2
12
64
64√2
28
4√2
24
14√2
14
78
78√2
7√2
71√2