C2221232323213331311331333133313231323133313221213231123213112111   >>    C222123232321333131133133313331323132313331322121323112321311211   <<    C2221232323213331311331333133313231323133313221213231123213112113   >>      C2221232323213331311331333133313231323133313221213231123213112112   >>