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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:172AY GHM

Order: 19

Horizontal side: 172 Vertical side: 172

Elements: 6√2, 12, 9√2, 10√2, 12√2, 18, 20, 15√2, 22, 22√2, 42, 44, 42√2, 44√2, 64, 54√2, 64√2, 108, 86√2.

Code: 1085 0 64 864 86 86 426 130 130 443 130 86 425 130 88 122 142 76 121 142 88 62 148 82 154 157 73 446 128 44 224 108 64 223 130 64 183 148 64 92 157 73 645 0 0 644 64 0 106 118 54 207 128 64 540 118 54

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)

108
86√2
42√2
44
42
12√2
12
6√2
15√2
44√2
22√2
22
18
9√2
64
64√2
10√2
20
54√2