C2221232323213331311331333133313231333132313232222121221211111311   >>    C222123232321333131133133313331323133313231323222212122121111131   <<    C2221232323213331311331333133313231333132313232222121221211111313   >>      C2221232323213331311331333133313231333132313232222121221211111312   >>