###################              ######################### 
#........K..[.......             .................?o...... 
#..........a........             a............(.......o... 
#............>..<o..            ..$....go...g..........o...
#...............o..             ....rgg.<...o.....<!...o.?.
#...........o......             .......b...............?...
#...<............>>              ....∩..g................. 
#.................               ....z........O........(.. 
#[................               ......................... 
#.................                .............O........b  
#################                  #####################