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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:153AA GHM

Order: 19

Horizontal side: 153 Vertical side: 153

Elements: 5√2, 9√2, 16, 18, 16√2, 18√2, 27, 32, 36, 37, 42, 48, 37√2, 54, 42√2, 74, 58√2, 84, 63√2.

Code: 632 63 90 584 58 95 370 116 153 371 153 153 166 63 100 325 79 84 741 153 116 56 58 95 165 63 84 543 63 36 487 63 84 843 111 0 422 153 42 423 153 0 96 0 27 187 9 36 186 9 18 367 27 36 275 0 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)

63√2
58√2
37√2
37
16√2
32
74
5√2
16
54
48
84
42√2
42
9√2
18
18√2
36
27