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Quadruple Sudoku (416)

Other names: Quadruples Sudoku

Instruction:

Apply classic sudoku rules. At some intersections of two crossing grid lines, a set of four digits is given. These digits must be placed in the four adjacent cells.

Reference: WPF (1)

Examples:

WPF Sudoku GP 2014 - Round 2 (113)

WPF Sudoku GP 2016 - Round 3 (100)

WPF Sudoku GP 2018 - Round 5 (62)

WPF Sudoku GP 2018 - Round 6 (63)

WPF Sudoku GP 2020 - Round 1 (148)

WPF Sudoku GP 2022 - Round 3 (175)

Parent puzzle:
Sudoku

Child puzzles:
Inclusion Sudoku
Online Sudoku
Wheels Sudoku

Related puzzles:
Zones Sudoku