Fill each cell with a digit from 1-9. Cells sharing an edge can't have the same digit. Each horizontal row and vertical column contains a non-repeating consecutive set of digits (like 23456) in any order. Digits cannot repeat within a region.
Fill each cell with a digit from 1-9. Cells sharing an edge can't have the same digit. Each horizontal row and vertical column contains a non-repeating consecutive set of digits (like 23456) in any order. Digits cannot repeat within a region.