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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:84AK GHM

Order: 19

Horizontal side: 84 Vertical side: 84

Elements: 1, 1√2, 2, 2√2, 3, 4, 10√2, 12√2, 14√2, 20, 24, 19√2, 28, 20√2, 21√2, 42, 30√2, 44, 42√2.

Code: 445 0 40 424 42 42 423 84 42 24 44 40 140 46 42 194 65 23 216 63 21 202 20 20 201 20 40 102 30 30 124 32 28 300 30 30 281 60 28 45 60 24 245 60 0 31 63 24 17 63 24 10 64 24 27 63 23

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)

44
42√2
42
2√2
14√2
19√2
21√2
20√2
20
10√2
12√2
30√2
28
4
24
3
1
1√2
2