D12121323331311132313232213231232313132313232233132313233313231322131   >>    D1212132333131113231323221323123231313231323223313231323331323132213   <<    D12121323331311132313232213231232313132313232233132313233313231322133   >>      D12121323331311132313232213231232313132313232233132313233313231322132   >>