C2221232323213331311331333133313231333132313232111131223311312331311   >>    C222123232321333131133133313331323133313231323211113122331131233131   <<    C2221232323213331311331333133313231333132313232111131223311312331313   >>      C2221232323213331311331333133313231333132313232111131223311312331312   >>