B3311331313231311331322331333132322331323331133132313231323123221   >>    B331133131323131133132233133313232233132333113313231323132312322   <<    B3311331313231311331322331333132322331323331133132313231323123223   >>      B3311331313231311331322331333132322331323331133132313231323123222   >>