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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:178AP GHM

Order: 19

Horizontal side: 178 Vertical side: 178

Elements: 4, 4√2, 8, 8√2, 11√2, 22, 22√2, 39, 44, 39√2, 56, 61, 44√2, 72, 78, 56√2, 84, 61√2, 78√2.

Code: 785 0 100 784 78 100 220 156 178 221 178 178 843 134 72 442 178 112 441 178 156 566 122 56 395 0 61 394 39 61 110 50 72 721 122 72 82 130 64 81 130 72 42 134 68 41 134 72 617 0 61 610 61 61 565 122 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)

78
78√2
22√2
22
84
44√2
44
56√2
39
39√2
11√2
72
8√2
8
4√2
4
61
61√2
56