Do you like to do sudoku puzzles?? This is another level of puzzle challenge - there are 5 sudoku's tied together. The same sudoku rules apply - you must have the numbers 1 - 9 in each of the 3 x 3 squares.
North AB CD .EFG
West HI JK . 0MN (the 5th digit in the West co-ord. is a ZERO)
Gur gevpxl cneg bs guvf pnpur vf gur chmmyr pbzcyrgvba. Bapr lbh unir gur pbeerpgrq pb-beqf gur svaq fubhyq or gur rnfl cneg!! Tbbq yhpx.