C2221232323213331311331333133313231333132313331313311313323222213111   >>    C222123232321333131133133313331323133313231333131331131332322221311   <<    C2221232323213331311331333133313231333132313331313311313323222213113   >>      C2221232323213331311331333133313231333132313331313311313323222213112   >>