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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:222CA GHM

Order: 19

Horizontal side: 222 Vertical side: 222

Elements: 2√2, 4, 4√2, 6√2, 12, 10√2, 20, 15√2, 30, 22√2, 64, 74, 84, 64√2, 94, 74√2, 79√2, 128, 148.

Code: 1485 0 74 1281 128 222 947 128 222 796 143 143 150 143 143 307 128 128 226 136 106 642 222 64 66 130 100 125 136 94 20 130 100 47 128 98 40 132 98 201 148 94 102 158 84 843 158 0 745 0 0 744 74 0 643 222 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)

148
128
94
79√2
15√2
30
22√2
64√2
6√2
12
2√2
4
4√2
20
10√2
84
74
74√2
64