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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:158AH GHM

Order: 18

Horizontal side: 158 Vertical side: 158

Elements: 3√2, 11√2, 22, 23, 22√2, 23√2, 38, 46, 38√2, 54, 60, 43√2, 63, 46√2, 66, 49√2, 52√2, 60√2.

Code: 667 0 158 430 66 158 541 120 158 382 158 120 381 158 158 606 98 60 230 23 115 231 46 115 637 46 115 110 109 115 526 46 52 222 120 82 221 120 104 462 46 46 461 46 92 605 98 0 32 49 49 490 49 49

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)

66
43√2
54
38√2
38
60√2
23√2
23
63
11√2
52√2
22√2
22
46√2
46
60
3√2
49√2