B3311331313231311331322331333132313232233132332132313331333132313331133121   >>    B331133131323131133132233133313231323223313233213231333133313231333113312   <<    B3311331313231311331322331333132313232233132332132313331333132313331133123   >>      B3311331313231311331322331333132313232233132332132313331333132313331133122   >>