So many movie execs seems afraid to be honest about how many times they’ve gone back to that well for more money. It wasn’t Die Hard 3, after all. This is DoubleDoku 3, and it’s my favorite so far, but now I’m determined to mimic the silly names movie execs have come up with.
Rules:
Normal Gattai-2 rules apply. That is, there are two overlapping 9x9 Sudoku grids. Within each Sudoku grid, each row, column, and 3x3 box contains the digits 1-9. The four boxes at the center are part of both grids.
Cells separated by a chess Knight’s move do not contain the same digit.
Digits along arrows sum to the digit in the attached circle.
Region Sum Lines: Thick region borders divide each line into segments on which the digits have the same sum. Different lines may have different sums.
Estimated difficulty: 1.5 out of 5
Solve on SudokuPad