C11112331312111112111133133313331333132322121111331311331333132221133131   >>    C1111233131211111211113313331333133313232212111133131133133313222113313   <<    C11112331312111112111133133313331333132322121111331311331333132221133133   >>      C11112331312111112111133133313331333132322121111331311331333132221133132   >>