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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:139AB GHM

Order: 19

Horizontal side: 139 Vertical side: 139

Elements: 3√2, 16, 13√2, 22, 16√2, 18√2, 26, 23√2, 36, 38, 46, 47, 36√2, 38√2, 56, 46√2, 47√2, 67, 54√2.

Code: 677 0 139 540 67 139 364 103 103 363 139 103 184 121 85 563 139 47 130 13 85 164 29 69 163 45 69 385 45 47 384 83 47 267 0 72 30 26 72 230 23 69 221 45 69 474 92 0 473 139 0 467 0 46 460 46 46

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)

67
54√2
36√2
36
18√2
56
13√2
16√2
16
38
38√2
26
3√2
23√2
22
47√2
47
46
46√2