B3311331313231311331322331333132322331312311331323132333132313231323113221   >>    B331133131323131133132233133313232233131231133132313233313231323132311322   <<    B3311331313231311331322331333132322331312311331323132333132313231323113223   >>      B3311331313231311331322331333132322331312311331323132333132313231323113222   >>