Killer Maze (by A-FOR-BALL)
Rules:
1. Normal sudoku rules apply.
2. Numbers on the outside of the grid are little killer clues and indicate the sum of the digits along the diagonal.
3. Digits along the palindrome lines must read the same forward and backwards.
4. Digits along an arrow must sum to the digit in the circled cell.
5. Cells separated by a black dot must have a ratio of 2:1.Cells separated by a white dot must be consecutive.Not all dots are necessarily given.
Solution code: Row 4, followed by Column 6 (without space)