Detailed instructions for working a group puzzle of type 'Caroline'
This is a signature puzzle named 'Caroline'
The 8 elements in each group of this type of puzzle are: C, A, R, O, L, I, N, and E.
Every group in the puzzle must contain exactly this set of elements.
In a Caroline puzzle, each row is a group numbered as shown in the figure above.
In a Caroline puzzle, each column is a group numbered as shown in the figure above.
In a Caroline puzzle, each 4x2 rectangle is a group numbered as shown in the figure above.