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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:204AH GHM

Order: 19

Horizontal side: 204 Vertical side: 204

Elements: 1, 4, 4√2, 8, 8√2, 16, 15√2, 28, 29, 30, 28√2, 30√2, 60, 72, 87, 102, 117, 87√2, 102√2.

Code: 1175 0 87 1024 102 102 1023 204 102 154 117 87 163 132 86 82 140 94 721 204 102 83 140 86 42 144 90 43 144 86 605 144 30 877 0 87 870 87 87 291 116 87 17 116 87 287 116 86 286 116 58 304 174 0 303 204 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)

117
102√2
102
15√2
16
8√2
72
8
4√2
4
60
87
87√2
29
1
28
28√2
30√2
30