Sudoku S-G1
Fill every empty square so that each row, each column and each 3×3 box holds the digits 1 to 9 once. Singles are enough: find the one cell where a digit fits, or the one digit a cell can take. Answer: S-G1 in the answer key.
Sudoku S-G2
Fill every empty square so that each row, each column and each 3×3 box holds the digits 1 to 9 once. Singles are enough: find the one cell where a digit fits, or the one digit a cell can take. Answer: S-G2 in the answer key.
Sudoku S-G3
Fill every empty square so that each row, each column and each 3×3 box holds the digits 1 to 9 once. Singles are enough: find the one cell where a digit fits, or the one digit a cell can take. Answer: S-G3 in the answer key.
Sudoku S-G4
Fill every empty square so that each row, each column and each 3×3 box holds the digits 1 to 9 once. Singles are enough: find the one cell where a digit fits, or the one digit a cell can take. Answer: S-G4 in the answer key.
Sudoku S-M1
Fill every empty square so that each row, each column and each 3×3 box holds the digits 1 to 9 once. Needs pairs, pointing pairs or box/line reductions as well as singles.. For this one our solver needed: Hidden pair. Answer: S-M1 in the answer key.
Sudoku S-M2
Fill every empty square so that each row, each column and each 3×3 box holds the digits 1 to 9 once. Needs pairs, pointing pairs or box/line reductions as well as singles.. For this one our solver needed: Pointing pair. Answer: S-M2 in the answer key.
Sudoku S-M3
Fill every empty square so that each row, each column and each 3×3 box holds the digits 1 to 9 once. Needs pairs, pointing pairs or box/line reductions as well as singles.. For this one our solver needed: Pointing pair. Answer: S-M3 in the answer key.
Sudoku S-M4
Fill every empty square so that each row, each column and each 3×3 box holds the digits 1 to 9 once. Needs pairs, pointing pairs or box/line reductions as well as singles.. For this one our solver needed: Pointing pair ×2. Answer: S-M4 in the answer key.
Sudoku S-T1
Fill every empty square so that each row, each column and each 3×3 box holds the digits 1 to 9 once. Needs at least one advanced step. For this one our solver needed: XY-wing. Answer: S-T1 in the answer key.
Sudoku S-T2
Fill every empty square so that each row, each column and each 3×3 box holds the digits 1 to 9 once. Needs at least one advanced step. For this one our solver needed: XY-wing. Answer: S-T2 in the answer key.
Sudoku S-T3
Fill every empty square so that each row, each column and each 3×3 box holds the digits 1 to 9 once. Needs at least one advanced step. For this one our solver needed: XY-wing. Answer: S-T3 in the answer key.
Sudoku S-T4
Fill every empty square so that each row, each column and each 3×3 box holds the digits 1 to 9 once. Needs at least one advanced step. For this one our solver needed: XY-wing ×2. Answer: S-T4 in the answer key.
Sudoku, four per page
Fill every empty square so that each row, each column and each 3×3 box holds the digits 1 to 9 once. Answers are in the answer key, by id.
Sudoku, four per page
Fill every empty square so that each row, each column and each 3×3 box holds the digits 1 to 9 once. Answers are in the answer key, by id.
Sudoku, four per page
Fill every empty square so that each row, each column and each 3×3 box holds the digits 1 to 9 once. Answers are in the answer key, by id.
Answers
Bold digits were printed on the puzzle; the lighter ones are the answer.
Answers
Bold digits were printed on the puzzle; the lighter ones are the answer.