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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:220CL2of4 GHM

Order: 19

Horizontal side: 220 Vertical side: 220

Elements: 2√2, 4, 4√2, 6, 6√2, 7√2, 12, 9√2, 14, 32, 32√2, 46, 55√2, 78, 71√2, 110, 78√2, 142, 110√2.

Code: 1425 0 78 1104 110 110 1103 220 110 324 142 78 323 174 78 467 174 110 556 165 55 785 0 0 784 78 0 76 149 71 67 156 78 66 156 72 127 162 78 143 174 64 42 160 68 710 149 71 43 160 64 22 162 66 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)

142
110√2
110
32√2
32
46
55√2
78
78√2
7√2
6
6√2
12
14
4√2
71√2
4
2√2
9√2