Detailed instructions for working a group puzzle of type 'Herold'
This is a signature puzzle named 'Herold'
The 6 elements in each group of this type of puzzle are: H, E, R, O, L, and D.
Every group in the puzzle must contain exactly this set of elements.
In a Herold puzzle, each row is a group numbered as shown in the figure above.
In a Herold puzzle, each column is a group numbered as shown in the figure above.
In a Herold puzzle, each 3x2 rectangle is a group numbered as shown in the figure above.