...###...#$..# ∩..#.........## ............... #........#..... ##............ .............# ............# ........ZF.## .......[....## .............# ............# ..##.....#...# # ##...####..# .##. ##..## #.[. ..... #..## #.. ......###..# .. ..........## ...........## .....####...# .. ..## ##..## .... . ###..#....# ##........# #........## ##.......... ..####...... ### #.#### #.# #.# ##