C2221232323213331311331333133313231333132313232313123232212331111   >>    C222123232321333131133133313331323133313231323231312323221233111   <<    C2221232323213331311331333133313231333132313232313123232212331113   >>      C2221232323213331311331333133313231333132313232313123232212331112   >>