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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:156AT GHM

Order: 19

Horizontal side: 156 Vertical side: 156

Elements: 3, 4, 4√2, 8, 12, 16, 20, 15√2, 20√2, 30, 33, 40, 30√2, 48, 63, 78, 63√2, 93, 78√2.

Code: 935 0 63 784 78 78 783 156 78 154 93 63 123 108 66 85 108 70 481 156 78 45 108 66 44 112 66 206 96 50 405 116 30 33 96 63 167 96 66 637 0 63 630 63 63 331 96 63 205 96 30 304 126 0 303 156 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)

93
78√2
78
15√2
12
8
48
4
4√2
20√2
40
3
16
63
63√2
33
20
30√2
30