C111123313121111121111331333133313331333133313331333133313331333112112113231   >>    C11112331312111112111133133313331333133313331333133313331333133311211211323   <<    C111123313121111121111331333133313331333133313331333133313331333112112113233   >>      C111123313121111121111331333133313331333133313331333133313331333112112113232   >>