B3311331313231311331322331333132313331323131323223313223313132332311   >>    B331133131323131133132233133313231333132313132322331322331313233231   <<    B3311331313231311331322331333132313331323131323223313223313132332313   >>      B3311331313231311331322331333132313331323131323223313223313132332312   >>