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