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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:136BN GHM

Order: 19

Horizontal side: 136 Vertical side: 136

Elements: 2, 18, 13√2, 14√2, 18√2, 28, 21√2, 23√2, 36, 28√2, 40, 42, 31√2, 46, 36√2, 54, 46√2, 54√2, 82.

Code: 827 0 136 466 36 90 547 82 136 546 82 82 366 0 54 465 36 44 405 82 42 365 0 18 132 49 31 234 59 21 23 82 42 216 59 21 427 80 42 140 122 42 310 49 31 280 108 28 281 136 28 185 0 0 184 18 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)

82
46√2
54
54√2
36√2
46
40
36
13√2
23√2
2
21√2
42
14√2
31√2
28√2
28
18
18√2