############################################### #<..P#.....#.....#.⌠._._._._.⌠.#.))...#....##∩# ∆ #PP..'.)...'.#...'.._._._._._..'..#...#....'.[# #..PP#.....#.#...#..._._._._...#..###'##...##∩#∆∆ ###############'##.._._._._._..#..##∩P.'...#### #...♣........'...#._._._._._.⌠.############# #......♣.....#...###################..P.!∆ #.....♣..♣..######♣♣♣♣♣._♣.###.'.[+.....(∆ s i ##+####'######..'......♣..♣##..#..# P P #..#....'.......#♣..♣♣♣.♣..###.##§# P P #..#..###....P..#.♣♣..♣.).♣'...#♣i♣### ####### ########## #############.....#### ∆∆ #..♣..♣.... ## y P i.♣......♣...♣# P .. ♣.....∩.∩..i∆ ## ############ P∆ P P i P ∆ P i ∆ ysy P∆ ∆∆∆∆ ∆∆∆∆∆ P P P P P P ∆∆∆∆∆ ∆∆∆∆ ∆ y a ∆∆∆∆ P P P P P P i i i i ∆