Skyscraper Sudoku 6x6 Rules
Fill the numbers 1-6 into each row, column, and 2x3 subgrid of a 6x6 grid.
Each number can only appear once in each row, column, and 2x3 subgrid.
Fill in the blank cells with the numbers 1-6 so that each row, column, and 2x3 subgrid contains the numbers 1-6.
Each number represents the height of a skyscraper in each cell. The numbers outside the grid represent the number of skyscrapers that can be seen from the corresponding direction.