B33113313132313113313223313331311331333132321123123232213232233131   >>    B3311331313231311331322331333131133133313232112312323221323223313   <<    B33113313132313113313223313331311331333132321123123232213232233133   >>      B33113313132313113313223313331311331333132321123123232213232233132   >>