C111123313121111121111331333133313331323132333132322331313233121   >>    C11112331312111112111133133313331333132313233313232233131323312   <<    C111123313121111121111331333133313331323132333132322331313233123   >>      C111123313121111121111331333133313331323132333132322331313233122   >>