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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:120BB GHM

Order: 18

Horizontal side: 120 Vertical side: 120

Elements: 4, 4√2, 8, 9, 8√2, 13, 11√2, 16, 22, 19√2, 38, 44, 52, 38√2, 41√2, 44√2, 68, 76.

Code: 765 0 44 681 68 120 527 68 120 416 79 79 116 68 68 225 79 57 165 68 52 91 88 57 137 88 57 190 101 57 84 76 44 83 84 44 42 88 48 43 88 44 445 0 0 444 44 0 380 82 38 381 120 38

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)

76
68
52
41√2
11√2
22
16
9
13
19√2
8√2
8
4√2
4
44
44√2
38√2
38