Detailed instructions for working a group puzzle of type 'TicTac-Z0+'

The 3 elements in each group of this type of puzzle are: Z, 0, and +.

Every group in the puzzle must contain exactly this set of elements.

Each row is a group numbered as shown in this TicTac-Z0+ figure.

In a TicTac-Z0+ puzzle, each row is a group numbered as shown in the figure above.

Each column is a group numbered as shown in this TicTac-Z0+ figure.

In a TicTac-Z0+ puzzle, each column is a group numbered as shown in the figure above.