C111113331333132322331333133313331333133313121111331333121311331   >>    C11111333133313232233133313331333133313331312111133133312131133   <<    C111113331333132322331333133313331333133313121111331333121311333   >>      C111113331333132322331333133313331333133313121111331333121311332   >>