-141.856 157.46 m -174.947 77.6599 l -174.947 77.6599 m -126.212 129.86 l -188.786 146.06 l -174.947 77.6599 l -205.031 168.86 m 8.06774 0 0 8.06774 -197.811 165.26 -192.098 170.957 a -174.947 77.6599 m -188.786 146.06 l -131.026 99.2599 l -174.947 77.6599 l -188.786 146.06 m -126.212 129.86 l -131.026 99.2599 l -174.947 77.6599 m -126.212 129.86 l -174.947 77.6599 m -188.786 146.06 l vertex $i$ vertex $j$ vertex \textit{next\_around\_edge(i,j)} facet \textit{next\_around\_edge(i,j)} -122.602 143.66 m -138.847 126.26 l -188.786 146.06 m -126.212 129.86 l -141.856 157.46 l -188.786 146.06 l cell \textit{next\_around\_edge(i,j)} -139.449 171.26 m -151.482 149.66 l -210.446 93.2599 m -149.677 99.2599 l current cell dimension 3 34.4326 153.26 m -2.87072 79.4599 l 81.9643 89.0599 l 34.4326 153.26 l vertex $i$ 31.4243 110.06 m 8.06774 0 0 8.06774 38.6443 106.46 44.3569 112.157 a vertex \textit{ccw(i)} vertex \textit{cw(i)} dimension 2