D1323112331313331313223313231213231323331323331323233313231333132322231   >>    D132311233131333131322331323121323132333132333132323331323133313232223   <<    D1323112331313331313223313231213231323331323331323233313231333132322233   >>      D1323112331313331313223313231213231323331323331323233313231333132322232   >>