Detailed instructions for working a group puzzle of type 'Jethro'
This is a signature puzzle named 'Jethro'
The 6 elements in each group of this type of puzzle are: J, E, T, H, R, and O.
Every group in the puzzle must contain exactly this set of elements.
In a Jethro puzzle, each row is a group numbered as shown in the figure above.
In a Jethro puzzle, each column is a group numbered as shown in the figure above.
In a Jethro puzzle, each 3x2 rectangle is a group numbered as shown in the figure above.