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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:161AB GHM

Order: 19

Horizontal side: 161 Vertical side: 161

Elements: 10√2, 11√2, 19√2, 28, 21√2, 38, 28√2, 42, 32√2, 48, 38√2, 56, 57, 42√2, 43√2, 52√2, 76, 77, 56√2.

Code: 777 0 161 560 77 161 561 133 161 282 161 133 281 161 161 763 161 57 210 21 105 324 53 73 436 42 62 487 85 105 422 42 42 421 42 84 112 53 73 102 52 52 385 85 19 384 123 19 573 161 0 520 52 52 194 104 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)

77
56√2
56
28√2
28
76
21√2
32√2
43√2
48
42√2
42
11√2
10√2
38
38√2
57
52√2
19√2