C2221232323213331311331333133313231333132313232313123232323213231131   >>    C222123232321333131133133313331323133313231323231312323232321323113   <<    C2221232323213331311331333133313231333132313232313123232323213231133   >>      C2221232323213331311331333133313231333132313232313123232323213231132   >>