C1111121111331311211331333133313331333133313121111331333112331322112111   >>    C111112111133131121133133313331333133313331312111133133311233132211211   <<    C1111121111331311211331333133313331333133313121111331333112331322112113   >>      C1111121111331311211331333133313331333133313121111331333112331322112112   >>