C2221232323213331311331333133313231333132313232131133321231223231   >>    C222123232321333131133133313331323133313231323213113332123122323   <<    C2221232323213331311331333133313231333132313232131133321231223233   >>      C2221232323213331311331333133313231333132313232131133321231223232   >>