D121212121213132313113313231123313231323132322133313233313233313222331   >>    D12121212121313231311331323112331323132313232213331323331323331322233   <<    D121212121213132313113313231123313231323132322133313233313233313222333   >>      D121212121213132313113313231123313231323132322133313233313233313222332   >>