C2221232323213331311331333133313231333132333112323132332321221131211   >>    C222123232321333131133133313331323133313233311232313233232122113121   <<    C2221232323213331311331333133313231333132333112323132332321221131213   >>      C2221232323213331311331333133313231333132333112323132332321221131212   >>