Detailed instructions for working a group puzzle of type 'Charlie'
This is a signature puzzle named 'Charlie'
The 7 elements in each group of this type of puzzle are: C, H, A, R, L, I, and E.
Every group in the puzzle must contain exactly this set of elements.
In a Charlie puzzle, each row is a group numbered as shown in the figure above.
In a Charlie puzzle, each column is a group numbered as shown in the figure above.
In a Charlie puzzle, each septomino is a group numbered as shown in the figure above.