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Puzzle#97: XSums Sudoku

Puzzle#96: Serbian Frame Sudoku

Puzzle#95: Little Killer Sudoku

Puzzle#94: Division Sudoku

Puzzle#93: Delimited Kropki Sudoku

Puzzle#92: Tic-Tac-Toe Winner Sudoku

Puzzle#91: Parity Sudoku

Puzzle#90: Arrow Sudoku

Puzzle#89: Thermo Sudoku

Puzzle#88: Classic Sudoku