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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:63AB GHM

Order: 19

Horizontal side: 63 Vertical side: 63

Elements: 1√2, 2, 2√2, 3√2, 6, 10, 9√2, 10√2, 15, 16, 18, 15√2, 16√2, 18√2, 27, 21√2, 30, 32, 27√2.

Code: 277 0 63 276 0 36 105 27 53 104 37 53 160 47 63 161 63 63 25 27 51 24 29 51 36 28 50 67 31 53 212 48 30 14 28 50 321 63 47 182 18 18 303 48 0 152 63 15 183 18 0 92 27 9 153 63 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)

27
27√2
10
10√2
16√2
16
2
2√2
3√2
6
21√2
1√2
32
18√2
30
15√2
18
9√2
15