Level  2   :: BHDBGJ
Level  3   :: BJFGHM 
Level  4   :: BHGBDJ 
Level  5   :: BHHBFJ 
Level  6   :: BGKBCK 
Level  7   :: BGLBSK 
Level  8   :: BGMBTK 
Level  9   :: BGNBQK 
Level 10   :: BGPBRK 
Level 11   :: BGQBNK 
Level Ende :: BGRBPK