B3311331313231311331322331333132313232233131323132313331323132322233121   >>    B331133131323131133132233133313231323223313132313231333132313232223312   <<    B3311331313231311331322331333132313232233131323132313331323132322233123   >>      B3311331313231311331322331333132313232233131323132313331323132322233122   >>