Locate the position of a 10-ship fleet in the grid. The shapes of the ships are shown to the right of the grid. There is four 4x1 battleship, three 3x1 cruisers, two 2x1 destroyers and one 1x1 submarine. The numbers beside the grid indicate the number of cells occupied by ships in each row, while the numbers below the grid indicate the number of occupied cells in each column. Ships may touch the edge of the board, but cannot touch each other, not even diagonally. Some cells are known to be water.