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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:108BK GHM

Order: 19

Horizontal side: 108 Vertical side: 108

Elements: 4, 4√2, 7, 8, 6√2, 7√2, 12, 14, 14√2, 20, 21, 20√2, 21√2, 40, 48, 35√2, 40√2, 66, 54√2.

Code: 665 0 42 544 54 54 483 108 60 60 60 60 144 74 46 200 88 60 201 108 60 121 66 54 85 66 46 45 66 42 44 70 42 212 21 21 354 35 7 400 68 40 401 108 40 213 21 0 145 21 7 75 21 0 74 28 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)

66
54√2
48
6√2
14√2
20√2
20
12
8
4
4√2
21√2
35√2
40√2
40
21
14
7
7√2