C1111133313331323223313331333133313331333131211113313331312312111112331   >>    C111113331333132322331333133313331333133313121111331333131231211111233   <<    C1111133313331323223313331333133313331333131211113313331312312111112333   >>      C1111133313331323223313331333133313331333131211113313331312312111112332   >>