A $7-$node optical ring is shown below with $2$ fibers between each pair of nodes. All nodes in the ring are OADMs. On this ring, we have full$-$duplex end$-$to$-$end flons between many of the OADMs, as indicated in the end$-$to$-$end traffic matrix below: Under normal conditions, show on the figure the total working and protection traffic flows $($if any$)$ on each link of the ring in each direction if the ring operates as a $($a$)$ OCh$-$DPRing, $($b$)$ OMS$-$SPRing. Where appropriate, assume that shortest$-$path is equivalent to the least number of hops. $($Use a separate diagram for the OCh$-$DPRring and the ONS$-$SPRing.$)$