C111123313121111121111331333133313331323221211113313113313331131211223132331   >>    C11112331312111112111133133313331333132322121111331311331333113121122313233   <<    C111123313121111121111331333133313331323221211113313113313331131211223132333   >>      C111123313121111121111331333133313331323221211113313113313331131211223132332   >>