D121213233313223313132322231323132313331323132233132333131323131121   >>    D12121323331322331313232223132313231333132313223313233313132313112   <<    D121213233313223313132322231323132313331323132233132333131323131123   >>      D121213233313223313132322231323132313331323132233132333131323131122   >>