C1111121111331311211331333133313331333133313231333133313331322133313233112111   >>    C111112111133131121133133313331333133313331323133313331333132213331323311211   <<    C1111121111331311211331333133313331333133313231333133313331322133313233112113   >>      C1111121111331311211331333133313331333133313231333133313331322133313233112112   >>