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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:102AH4of4 GHM

Order: 19

Horizontal side: 102 Vertical side: 102

Elements: 4√2, 6, 8, 6√2, 8√2, 12, 16, 12√2, 18, 16√2, 18√2, 28, 21√2, 28√2, 42, 39√2, 56, 42√2, 60.

Code: 607 0 102 420 60 102 421 102 102 186 0 42 212 39 39 561 74 60 282 102 32 281 102 60 185 0 24 390 39 39 166 86 16 122 12 12 121 12 24 62 18 18 61 18 24 86 78 8 165 86 0 46 74 4 85 78 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)

60
42√2
42
18√2
21√2
56
28√2
28
18
39√2
16√2
12√2
12
6√2
6
8√2
16
4√2
8