D1212121221323132313232332313232233132313232213331323331313232332311   >>    D121212122132313231323233231323223313231323221333132333131323233231   <<    D1212121221323132313232332313232233132313232213331323331313232332313   >>      D1212121221323132313232332313232233132313232213331323331313232332312   >>