C111123313121111121111331333133313331323133312232133313231322121   >>    C11112331312111112111133133313331333132313331223213331323132212   <<    C111123313121111121111331333133313331323133312232133313231322123   >>      C111123313121111121111331333133313331323133312232133313231322122   >>