The jellies are isolated from the larger part of the board, and liquorice swirls spawn very often, especially in large groups, and they cover all double jellies there. forcing the player to create horizontal striped candies to bring the normal candies down.
Cascades occur often, which is good, but can easily ruin your plans, and accidentally activate special candies.
To open up the right half, create some color bomb which only 2 and combining to clear all the liquorice swirl
With only 4 colors it's very easy to create special candies. Combine them as much as possible. Jellies in the upper-right hand corner are very hard to be cleared. As Color bomb which only 2 are rarely made in the top 3 rows, it is suggested to clear them whenever a match is possible.