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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:220CN GHM

Order: 19

Horizontal side: 220 Vertical side: 220

Elements: 7√2, 8√2, 14, 16, 14√2, 16√2, 24, 28, 24√2, 48, 36√2, 78, 56√2, 64√2, 92, 71√2, 78√2, 128, 142.

Code: 1425 0 78 1281 128 220 562 184 164 921 220 220 483 184 116 362 220 128 646 156 64 80 136 116 244 160 92 243 184 92 167 128 108 160 144 108 144 142 78 143 156 78 287 156 92 785 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
128
56√2
92
48
36√2
64√2
8√2
24√2
24
16
16√2
14√2
14
28
78
78√2
7√2
71√2