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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:220AY GHM

Order: 19

Horizontal side: 220 Vertical side: 220

Elements: 4√2, 8, 8√2, 12, 9√2, 12√2, 18, 24, 32√2, 46, 64, 46√2, 55√2, 60√2, 64√2, 92, 110, 128, 110√2.

Code: 1285 0 92 1104 110 110 1103 220 110 181 128 110 465 128 64 464 174 64 556 165 55 925 0 0 604 60 32 46 116 88 87 120 92 86 120 84 243 116 64 122 128 76 123 128 64 326 60 32 647 92 64 640 156 64 94 165 55

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)

128
110√2
110
18
46
46√2
55√2
92
60√2
4√2
8
8√2
24
12√2
12
32√2
64
64√2
9√2