B3311331313231311331322331333132313133313113313232233131333132333221   >>    B331133131323131133132233133313231313331311331323223313133313233322   <<    B3311331313231311331322331333132313133313113313232233131333132333223   >>      B3311331313231311331322331333132313133313113313232233131333132333222   >>