C11112331333132311331333133313331312111113311212111133131133132323331311121   >>    C1111233133313231133133313331333131211111331121211113313113313232333131112   <<    C11112331333132311331333133313331312111113311212111133131133132323331311123   >>      C11112331333132311331333133313331312111113311212111133131133132323331311122   >>