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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:139AE4of4 GHM

Order: 19

Horizontal side: 139 Vertical side: 139

Elements: 5√2, 10, 14, 10√2, 14√2, 20, 15√2, 28, 20√2, 21√2, 28√2, 42, 35√2, 55, 56, 42√2, 48√2, 70, 97.

Code: 977 0 139 280 97 139 281 125 139 142 139 125 141 139 139 703 139 55 486 21 63 567 69 111 210 21 63 202 89 35 354 104 20 553 139 0 427 0 42 420 42 42 203 89 15 152 104 20 104 79 5 103 89 5 54 84 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
28√2
28
14√2
14
70
48√2
56
21√2
20√2
35√2
55
42
42√2
20
15√2
10√2
10
5√2