D12121212213231323132323323132322331323132322133313232213231323131   >>    D1212121221323132313232332313232233132313232213331323221323132313   <<    D12121212213231323132323323132322331323132322133313232213231323133   >>      D12121212213231323132323323132322331323132322133313232213231323132   >>