C111113331333132322331333133313331333133313121111331333131212111   >>    C11111333133313232233133313331333133313331312111133133313121211   <<    C111113331333132322331333133313331333133313121111331333131212113   >>      C111113331333132322331333133313331333133313121111331333131212112   >>