Top 10 hardest — SudokuGT
№ 2040
Givens: 0 · Difficulty: 0
№ 2039
Givens: 0 · Difficulty: 0
№ 2038
Givens: 0 · Difficulty: 0
№ 2037
Givens: 0 · Difficulty: 0
№ 2036
Givens: 0 · Difficulty: 0
№ 2035
Givens: 0 · Difficulty: 0
№ 2034
Givens: 0 · Difficulty: 0
№ 2033
Givens: 0 · Difficulty: 0
№ 2032
Givens: 0 · Difficulty: 0
№ 2031
Givens: 0 · Difficulty: 0