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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:220CE GHM

Order: 19

Horizontal side: 220 Vertical side: 220

Elements: 2√2, 4, 4√2, 6, 6√2, 12, 9√2, 14√2, 16√2, 32, 55, 39√2, 55√2, 78, 87, 110, 78√2, 142, 110√2.

Code: 1425 0 78 1104 110 110 1103 220 110 321 142 110 142 156 96 394 181 71 556 165 55 123 156 84 92 165 87 873 165 0 162 181 71 20 144 84 64 150 78 63 156 78 47 142 82 40 146 82 785 0 0 784 78 0 555 165 0

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
14√2
39√2
55√2
12
9√2
87
16√2
2√2
6√2
6
4
4√2
78
78√2
55