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