B33113313132313113313223313331323133313223313231333133112111111313332211   >>    B3311331313231311331322331333132313331322331323133313311211111131333221   <<    B33113313132313113313223313331323133313223313231333133112111111313332213   >>      B33113313132313113313223313331323133313223313231333133112111111313332212   >>