7π6,5π6\frac{7 \pi}{6}, \frac{5 \pi}{6}67π,65π
14π6,15π6\frac{14 \pi}{6}, \frac{15 \pi}{6}614π,615π
8π6,9π6\frac{8 \pi}{6}, \frac{9 \pi}{6}68π,69π
13π6,11π6\frac{13 \pi}{6}, \frac{11 \pi}{6}613π,611π
19π6,17π6\frac{19 \pi}{6}, \frac{17 \pi}{6}619π,617π