C111123313121111121111331333133313331323221211113313121133133313331331123122331   >>    C11112331312111112111133133313331333132322121111331312113313331333133112312233   <<    C111123313121111121111331333133313331323221211113313121133133313331331123122333   >>      C111123313121111121111331333133313331323221211113313121133133313331331123122332   >>