11              #
10     #        #
 9     #        #
 8     #        #
 7     #        #
 6     #        #
 5     #        #  #
 4     #        #  #
 3  #  #  #     #  #
 2  #  #  #     #  #
 1  #  #  #  #  #  #
__ __ __ __ __ __ __
    3 10  3  1 11  5