Extreme Sandwich
- Kropki dots
- Sandwiches
- Minimum and maximum cells
- Fortress
The brief
Normal Sudoku rules apply. SANDWICH SUMS- Numbers outside the grid are the sum of the numbers BETWEEN THE 1 AND THE 9 in the indicated row or column. KROPKI PAIRS- Numbers with a white dot between them are consecutive. Numbers with a black dot between them are in a ratio of 2:1. Not all possible dots are given. Gray cells with shaded arrows pointing out indicate that the cell is greater than all orthogonally adjacent cells.