Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Frequency of rotation direction adopted by each of nine triads (A–I).
| Direction | Triad A | Triad B | Triad C | Triad D | Triad E | Triad F | Triad G | Triad H | Triad I | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| c | w | c | w | c | w | c | w | c | w | c | w | c | w | c | w | c | w | |
| Triangle | 12 | 8 | 9 | 11 | 9 | 11 | 10 | 10 | 20 | 0 | 20 | 0 | 20 | 0 | 15 | 5 | 14 | 6 |
| Square | 19 | 1 | 8 | 12 | 8 | 12 | 8 | 12 | 20 | 0 | 20 | 0 | 20 | 0 | 11 | 9 | 19 | 1 |
| Pentagon | 11 | 9 | 13 | 7 | 4 | 16 | 13 | 7 | 20 | 0 | 19 | 1 | 20 | 0 | 5 | 15 | 20 | 0 |
| Hexagon | 14 | 6 | 11 | 9 | 11 | 9 | 11 | 9 | 20 | 0 | 20 | 0 | 19 | 1 | 11 | 9 | 2 | 18 |
Direction was denoted by a letter “c (counterclockwise)” or “w (clockwise).”
