Non-Consecutive Sudoku Compendium

Non-Consecutive Sudoku puzzles look like ordinary Sudoku. However, they are extremely extraordinary!

There is an additional rule which must be followed: two non-consecutive numbers must not be placed next to each other. So, 5 and 6, 9 and 8, 2 and 1 and so on, can never be adjacent. And that's all!

This changes the Sudoku game quite a bit and it makes it more challenging and fun. But there is more! While all puzzles are indeed non-consecutive, there are also many variants of the non-conse...