.... . ... .... .. ...###.....## #.# ∆...#.......###... ##.....##....... #............... #...........# #..........##... #. ##......†....... F. ##......<#.###. #.###........# # ##............... #............##... ##........##..###. #........#.....# . ...........).....##... ...........††.†....... #........#....c......# ##......###.......#### ...#.... ####.....# ..##.## #........ ... ......... ## ..###..## ..# .... ..## ..#