D121213233313111121133132321123231323132321133132313232123313223321   >>    D12121323331311112113313232112323132313232113313231323212331322332   <<    D121213233313111121133132321123231323132321133132313232123313223323   >>      D121213233313111121133132321123231323132321133132313232123313223322   >>