strict warning: Only variables should be assigned by reference in /mnt/web118/d3/21/540721/htdocs/sachsentext/sites/all/modules/links/links_related.module on line 197.
strict warning: Only variables should be assigned by reference in /mnt/web118/d3/21/540721/htdocs/sachsentext/sites/all/modules/links/links_related.module on line 433.
strict warning: Only variables should be assigned by reference in /mnt/web118/d3/21/540721/htdocs/sachsentext/sites/all/modules/links/links.inc on line 1450.
strict warning: Only variables should be assigned by reference in /mnt/web118/d3/21/540721/htdocs/sachsentext/sites/all/modules/links/links.inc on line 1450.
Fill in the grid so that in the four grids every row, every column, every 3x2 contain the digits 1 through 6. The green cells have the same digit as the corresponding cells in the fourth sudoku.