C1111121111331311211331333133313331322133313331311331333132333231211   >>    C111112111133131121133133313331333132213331333131133133313233323121   <<    C1111121111331311211331333133313331322133313331311331333132333231213   >>      C1111121111331311211331333133313331322133313331311331333132333231212   >>