B3311331313231311331322331333132322331312311331323132333132313231131   >>    B331133131323131133132233133313232233131231133132313233313231323113   <<    B3311331313231311331322331333132322331312311331323132333132313231133   >>      B3311331313231311331322331333132322331312311331323132333132313231132   >>