B33113313132313113313223313331311331313231311331333132322331323132223221   >>    B3311331313231311331322331333131133131323131133133313232233132313222322   <<    B33113313132313113313223313331311331313231311331333132322331323132223223   >>      B33113313132313113313223313331311331313231311331333132322331323132223222   >>