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