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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:88AO GHM

Order: 19

Horizontal side: 88 Vertical side: 88

Elements: 3√2, 6, 8, 6√2, 8√2, 9√2, 10√2, 16, 18, 20, 21, 24, 21√2, 24√2, 39, 28√2, 40, 38√2, 40√2.

Code: 407 0 88 406 0 48 215 40 67 214 61 67 36 79 85 67 82 88 66 82 82 183 79 67 92 88 76 386 50 38 397 40 67 242 24 24 100 50 38 207 40 28 280 60 28 243 24 0 165 24 8 85 24 0 84 32 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)

40
40√2
21
21√2
3√2
6
6√2
18
9√2
38√2
39
24√2
10√2
20
28√2
24
16
8
8√2