C111113331333132322331333133313331333133313121111331333121111121111113313222331   >>    C11111333133313232233133313331333133313331312111133133312111112111111331322233   <<    C111113331333132322331333133313331333133313121111331333121111121111113313222333   >>      C111113331333132322331333133313331333133313121111331333121111121111113313222332   >>