D1212121221323132313232332313232233132313232213331323331313332311   >>    D121212122132313231323233231323223313231323221333132333131333231   <<    D1212121221323132313232332313232233132313232213331323331313332313   >>      D1212121221323132313232332313232233132313232213331323331313332312   >>