D1212121221323132313232332313232233132313233313311232313231323132322131   >>    D121212122132313231323233231323223313231323331331123231323132313232213   <<    D1212121221323132313232332313232233132313233313311232313231323132322133   >>      D1212121221323132313232332313232233132313233313311232313231323132322132   >>