C1111121111331311211331333133313331333133313231333133313331333131131233111   >>    C111112111133131121133133313331333133313331323133313331333133313113123311   <<    C1111121111331311211331333133313331333133313231333133313331333131131233113   >>      C1111121111331311211331333133313331333133313231333133313331333131131233112   >>