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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:113AA4of4 GHM

Order: 18

Horizontal side: 113 Vertical side: 113

Elements: 4√2, 8, 7√2, 8√2, 14, 16, 12√2, 19, 14√2, 24, 19√2, 28, 33, 33√2, 40√2, 66, 47√2, 80.

Code: 807 0 113 663 80 47 332 113 80 331 113 113 406 73 40 146 0 33 287 14 47 163 42 31 247 42 47 470 66 47 74 73 40 145 0 19 120 26 31 84 34 23 83 42 23 44 38 19 195 0 0 194 19 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)

80
66
33√2
33
40√2
14√2
28
16
24
47√2
7√2
14
12√2
8√2
8
4√2
19
19√2