###############################
#<..P#.†...#.....#.⌠._bb._._.⌠.
#PP..'.†...'.#(..'.._._._._._..
#PPPP#.....#.#...#..._.bPb._...
###############+##.._._._b_._..
                 #._._._._b_.⌠.
                 ##############