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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:63AA GHM

Order: 19

Horizontal side: 63 Vertical side: 63

Elements: 2√2, 6, 8, 9, 8√2, 15, 16, 17, 19, 20, 15√2, 23, 24, 17√2, 18√2, 19√2, 27, 20√2, 23√2.

Code: 277 0 63 190 27 63 191 46 63 172 63 46 171 63 63 236 40 23 80 8 44 81 16 44 245 16 20 154 31 29 153 46 29 182 18 18 161 16 36 91 40 29 67 40 29 235 40 0 24 18 18 200 20 20 201 40 20

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)

27
19√2
19
17√2
17
23√2
8√2
8
24
15√2
15
18√2
16
9
6
23
2√2
20√2
20