D12121323331313133313233313131313231323331322331311331323132333132322111   >>    D1212132333131313331323331313131323132333132233131133132313233313232211   <<    D12121323331313133313233313131313231323331322331311331323132333132322113   >>      D12121323331313133313233313131313231323331322331311331323132333132322112   >>