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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:156AW GHM

Order: 19

Horizontal side: 156 Vertical side: 156

Elements: 4√2, 8, 11, 8√2, 16, 19, 20, 15√2, 18√2, 20√2, 30, 40, 30√2, 48, 63, 78, 63√2, 93, 78√2.

Code: 935 0 63 784 78 78 783 156 78 154 93 63 180 108 78 481 156 78 637 0 63 630 63 63 191 82 63 117 82 63 86 82 52 167 90 60 200 106 60 201 126 60 302 156 30 85 82 44 44 86 40 401 126 40 303 156 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
18√2
48
63
63√2
19
11
8√2
16
20√2
20
30√2
8
4√2
40
30