Keep smiling, keep shining / Knowing you can always count on me for sure // That’s what friends are for //
In good times, in bad times / I’ll be on your side forevermore // Oh, that’s what friends are for //
– Dionne Warwick
Rules:
Normal Sudoku rules apply.
Best Friends: Pairs of digits outside the grid are adjacent in some order in that row or column.
Cells separated by a white dot contain consecutive digits. In cells separated by a black dot, one digit is double the other. Not all possible dots are given.
Estimated difficulty: 2 out of 5
Solve on SudokuPad