C11111333133313232233133313331333133313331312111133133313223123331   >>    C1111133313331323223313331333133313331333131211113313331322312333   <<    C11111333133313232233133313331333133313331312111133133313223123333   >>      C11111333133313232233133313331333133313331312111133133313223123332   >>