C1111121111331311211331333133313331333133313231333133313331333133313332322111   >>    C111112111133131121133133313331333133313331323133313331333133313331333232211   <<    C1111121111331311211331333133313331333133313231333133313331333133313332322113   >>      C1111121111331311211331333133313331333133313231333133313331333133313332322112   >>