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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:156AA GHM

Order: 19

Horizontal side: 156 Vertical side: 156

Elements: 3√2, 8, 8√2, 16, 20, 24, 20√2, 24√2, 34, 40, 48, 34√2, 54, 48√2, 68, 51√2, 74, 54√2, 68√2.

Code: 685 0 88 684 68 88 200 136 156 201 156 156 86 108 128 165 116 120 401 156 136 743 108 54 85 108 120 247 108 120 240 132 120 487 108 96 486 108 48 345 0 54 344 34 54 545 0 0 544 54 0 36 105 51 510 105 51

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)

68
68√2
20√2
20
8√2
16
40
74
8
24
24√2
48
48√2
34
34√2
54
54√2
3√2
51√2