B3311331313231311331322331333132333132311211331333132322331323131323222211   >>    B331133131323131133132233133313233313231121133133313232233132313132322221   <<    B3311331313231311331322331333132333132311211331333132322331323131323222213   >>      B3311331313231311331322331333132333132311211331333132322331323131323222212   >>