C1111121111331311211331333133313331322133313331311331333132233133313223322121   >>    C111112111133131121133133313331333132213331333131133133313223313331322332212   <<    C1111121111331311211331333133313331322133313331311331333132233133313223322123   >>      C1111121111331311211331333133313331322133313331311331333132233133313223322122   >>