D1212132333132233131323222313231323132313331322331323331123123221   >>    D121213233313223313132322231323132313231333132233132333112312322   <<    D1212132333132233131323222313231323132313331322331323331123123223   >>      D1212132333132233131323222313231323132313331322331323331123123222   >>