B33113313132313113313223313331323133313223313231333133112111133132232212331   >>    B3311331313231311331322331333132313331322331323133313311211113313223221233   <<    B33113313132313113313223313331323133313223313231333133112111133132232212333   >>      B33113313132313113313223313331323133313223313231333133112111133132232212332   >>