C111113331333132322331333133313331333133313121111331333131231212121   >>    C11111333133313232233133313331333133313331312111133133313123121212   <<    C111113331333132322331333133313331333133313121111331333131231212123   >>      C111113331333132322331333133313331333133313121111331333131231212122   >>