C111123313121111121111331333133313331323221211113313113313311211   >>    C11112331312111112111133133313331333132322121111331311331331121   <<    C111123313121111121111331333133313331323221211113313113313311213   >>      C111123313121111121111331333133313331323221211113313113313311212   >>