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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:158BM GHM

Order: 19

Horizontal side: 158 Vertical side: 158

Elements: 6√2, 9√2, 17, 18, 21, 15√2, 17√2, 18√2, 19√2, 21√2, 34, 36, 42, 43, 61, 79, 61√2, 97, 79√2.

Code: 975 0 61 794 79 79 793 158 79 184 97 61 183 115 61 92 124 70 431 158 79 156 109 55 345 124 36 617 0 61 610 61 61 421 103 61 212 124 40 64 109 55 213 124 19 175 124 19 174 141 19 363 158 0 194 122 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)

97
79√2
79
18√2
18
9√2
43
15√2
34
61
61√2
42
21√2
6√2
21
17
17√2
36
19√2