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