##########################
 ..........∩........z..M??#
.................zz....#??#
.........#####.........####
.....M................^...#
..........................#
..##.....z.........##.....#
..##...............##.....#
..........................#
........z.......(......... 
...................        
 ......z.z.∩........       
 ..........∩........       
 ...................       
........M...........       
.........z...........      
..##...............#       
..##...............##.     
....................M.     
.......................    
.........#####.........    
.........zz.z..........    
 ........zzz..........     
 #####################