Variations on Intermediate Sudoku Logic Puzzles (Vol 1)

Step-by-Step Instructions for Puzzle 104   (40/49)

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The numbers in the puzzle below refer to the step number at which the value of the location can be deduced. Locations without step numbers contain the initial values found in corresponding puzzle in your edition of the book.

Step-by-Step Instructions for Puzzle 104 with all 8 steps marked

  

Rows are numbered top to bottom, columns from left to right, and rectangles from left to right and then top to bottom. Coordinates are (col, row). Precise details on numbering within each group are specified in the on-line instructions for 'Sudoku-7B-X' puzzles.