D1212121221323132313232332313232233132313232213331313231323133311   >>    D121212122132313231323233231323223313231323221333131323132313331   <<    D1212121221323132313232332313232233132313232213331313231323133313   >>      D1212121221323132313232332313232233132313232213331313231323133312   >>