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