D23331313331322132313233313131323131333132333132313223313132313232212231   >>    D2333131333132213231323331313132313133313233313231322331313231323221223   <<    D23331313331322132313233313131323131333132333132313223313132313232212233   >>      D23331313331322132313233313131323131333132333132313223313132313232212232   >>