Puzzle No. 461: Consecutive Pairs Sudoku

 

Rules: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box.

Digits in cells separated by a white circle must be consecutive (have a difference of 1). Not all circles are given.

Online Solving Link using Penpa

Online Solving Link using Sudokupad

Puzzle No. 460: Dutch Whispers-Quadruple Hybrid Sudoku

 

Rules: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box.

Adjacent digits along each marked line have a difference of at least 4.

Digits in circles must appear in the surrounding four cells, in some order.

Online Solving Link

Puzzle No. 459: Renban-Quadruple Hybrid Sudoku

 

Rules: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box.

Each marked line contains consecutive digits, in any order.

Digits in circles must appear in the surrounding four cells, in some order.

Online Solving Link