C111113331333132322331333133313331333133313121111331333121111331311331323111121   >>    C11111333133313232233133313331333133313331312111133133312111133131133132311112   <<    C111113331333132322331333133313331333133313121111331333121111331311331323111123   >>      C111113331333132322331333133313331333133313121111331333121111331311331323111122   >>