C11112331312111112111133133313331333132323133313331311332313232233131   >>    C1111233131211111211113313331333133313232313331333131133231323223313   <<    C11112331312111112111133133313331333132323133313331311332313232233133   >>      C11112331312111112111133133313331333132323133313331311332313232233132   >>