D33132211231323132313232332313132313133313232233132322112221121   >>    D3313221123132313231323233231313231313331323223313232211222112   <<    D33132211231323132313232332313132313133313232233132322112221123   >>      D33132211231323132313232332313132313133313232233132322112221122   >>