D23331313331322132313233313131323132233132333132332313331313232121   >>    D2333131333132213231323331313132313223313233313233231333131323212   <<    D23331313331322132313233313131323132233132333132332313331313232123   >>      D23331313331322132313233313131323132233132333132332313331313232122   >>