C111123313121111121111331333133313331323221211113313232221233121   >>    C11112331312111112111133133313331333132322121111331323222123312   <<    C111123313121111121111331333133313331323221211113313232221233123   >>      C111123313121111121111331333133313331323221211113313232221233122   >>