D121212121213132313113313231123313231323132322133313233313233313232233123231   >>    D12121212121313231311331323112331323132313232213331323331323331323223312323   <<    D121212121213132313113313231123313231323132322133313233313233313232233123233   >>      D121212121213132313113313231123313231323132322133313233313233313232233123232   >>