** Detailed instructions for working a group puzzle of type 'Sudoku-6up' **

The 6 elements in each group of this type of puzzle are: **1**, **2**, **3**, **4**, **5**, and **6**.

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

In a Sudoku-6up puzzle, each row is a group numbered as shown in the figure above.

In a Sudoku-6up puzzle, each column is a group numbered as shown in the figure above.

In a Sudoku-6up puzzle, each 2x3 rectangle is a group numbered as shown in the figure above.