C2221232323213331311331333133313231333132313331313311313313212113311   >>    C222123232321333131133133313331323133313231333131331131331321211331   <<    C2221232323213331311331333133313231333132313331313311313313212113313   >>      C2221232323213331311331333133313231333132313331313311313313212113312   >>