B3311331313231311331322331333131133131323131133133313232233132322231323121   >>    B331133131323131133132233133313113313132313113313331323223313232223132312   <<    B3311331313231311331322331333131133131323131133133313232233132322231323123   >>      B3311331313231311331322331333131133131323131133133313232233132322231323122   >>