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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:74AB GHM

Order: 19

Horizontal side: 74 Vertical side: 74

Elements: 1√2, 4, 4√2, 8, 12, 14, 16, 12√2, 14√2, 21, 23, 24, 28, 21√2, 30, 32, 23√2, 28√2, 30√2.

Code: 327 0 74 280 32 74 281 60 74 142 74 60 141 74 74 306 44 30 40 4 46 41 8 46 127 8 46 126 8 34 247 20 46 236 21 23 167 44 46 212 21 21 81 8 42 305 44 0 16 20 22 235 21 0 213 21 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)

32
28√2
28
14√2
14
30√2
4√2
4
12
12√2
24
23√2
16
21√2
8
30
1√2
23
21