C111123313121111121111331333133313331313331323121111113313232121211   >>    C11112331312111112111133133313331333131333132312111111331323212121   <<    C111123313121111121111331333133313331313331323121111113313232121213   >>      C111123313121111121111331333133313331313331323121111113313232121212   >>