# # # # # # # # # # # # # # X X # # # X X # # # # . . X X X . r # # # # . n . . . . X # # # # # X . # # . X # # # X . . . # # X . # # k X . . . # # X . # # # X X . . . . . . # # # # # X . . . . . # # # # # X X # # # # # # # # # . P # # # # # # # # # # E # # # # # # # # # # # # # # # #