B3311331313231311331322331333132313231333131323223313231332132332311   >>    B331133131323131133132233133313231323133313132322331323133213233231   <<    B3311331313231311331322331333132313231333131323223313231332132332313   >>      B3311331313231311331322331333132313231333131323223313231332132332312   >>