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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:82AG GHM

Order: 19

Horizontal side: 82 Vertical side: 82

Elements: 1, 4√2, 8, 9, 8√2, 9√2, 11√2, 16, 17, 13√2, 22, 17√2, 25, 20√2, 31, 40, 41, 42, 41√2.

Code: 427 0 82 313 42 51 407 42 82 416 41 41 116 0 40 227 11 51 90 33 51 91 42 51 136 11 29 172 41 25 171 41 42 17 41 42 415 41 0 202 20 20 253 41 0 40 20 20 163 16 0 82 24 8 81 24 16

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)

42
31
40
41√2
11√2
22
9√2
9
13√2
17√2
17
1
41
20√2
25
4√2
16
8√2
8