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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:220CG GHM

Order: 19

Horizontal side: 220 Vertical side: 220

Elements: 4√2, 8, 7√2, 8√2, 12, 14, 12√2, 24, 18√2, 28√2, 32√2, 46, 64, 78, 71√2, 110, 78√2, 142, 110√2.

Code: 1425 0 78 1104 110 110 1103 220 110 324 142 78 180 174 110 461 220 110 143 156 78 127 156 92 126 156 80 247 168 92 280 192 92 82 164 72 785 0 0 784 78 0 76 149 71 83 164 64 42 168 68 710 149 71 641 220 64

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
110
32√2
18√2
46
14
12
12√2
24
28√2
8√2
78
78√2
7√2
8
4√2
71√2
64