The overall game consists of nine copies of Sukoshi. Each copy of Sukoshi is a game of 3x3 Sudoku. Place digits 1, 2, 3 on the board so that no row or column contains more than one occurrence of any digit. The game is over when there are no further legal moves in any subgame. 100 points for successful completion; 0 points otherwise. The goal is to complete any one of the nine games. The other games are irrelevant.