C2221232323213331311331333133313231323133313221213231222131121111   >>    C222123232321333131133133313331323132313331322121323122213112111   <<    C2221232323213331311331333133313231323133313221213231222131121113   >>      C2221232323213331311331333133313231323133313221213231222131121112   >>