B33113313132313113313223313331323133313223313231333133112111111331333131321121   >>    B3311331313231311331322331333132313331322331323133313311211111133133313132112   <<    B33113313132313113313223313331323133313223313231333133112111111331333131321123   >>      B33113313132313113313223313331323133313223313231333133112111111331333131321122   >>