B33113313132313113313223313331311331323221311331333131232323321   >>    B3311331313231311331322331333131133132322131133133313123232332   <<    B33113313132313113313223313331311331323221311331333131232323323   >>      B33113313132313113313223313331311331323221311331333131232323322   >>