Detailed instructions for working a group puzzle of type 'Christa'
This is a signature puzzle named 'Christa'
The 7 elements in each group of this type of puzzle are: C, H, R, I, S, T, and A.
Every group in the puzzle must contain exactly this set of elements.
In a Christa puzzle, each row is a group numbered as shown in the figure above.
In a Christa puzzle, each column is a group numbered as shown in the figure above.
In a Christa puzzle, each septomino is a group numbered as shown in the figure above.