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