B3311331313231311331322331333131133132313131133133313232233132313231321111   >>    B331133131323131133132233133313113313231313113313331323223313231323132111   <<    B3311331313231311331322331333131133132313131133133313232233132313231321113   >>      B3311331313231311331322331333131133132313131133133313232233132313231321112   >>