Rules Normal Sudoku rules applied. Each cage is the record of n-th trick in a contract bridge game, where n is the number in the top left corner of the cage. 10, J, Q, K, A are recorded as 10, J, Q, K, A, but are treated as 12345 respectively when considering Sudoku rules. 2~9 are recorded as 2~9. For some cards, the suit of that card is given in the top right corner. Each cage contains the card played by West, North, East and South, from left to right or top to bottom. Dotted circles indicates the lead / first player of each trick. The up arrows indicate the cell must contain a J, Q, K, or A. The game result is recorded as 3NT/W +2, that is, No trump suits. West and East won 11 of the 13 tricks in total. North led the first trick. If you are unfamiliar with contract bridge, here are rules that each trick must follow (in this particular game): The lead player can play any card from their hand. Other players must follow the suit of the leading card if they can. For example, if le...
