B33113313132313113313223313331323133313223313231333133112111113113313222231   >>    B3311331313231311331322331333132313331322331323133313311211111311331322223   <<    B33113313132313113313223313331323133313223313231333133112111113113313222233   >>      B33113313132313113313223313331323133313223313231333133112111113113313222232   >>