C111123313121111121111331333133313331323221211113313331121112331   >>    C11112331312111112111133133313331333132322121111331333112111233   <<    C111123313121111121111331333133313331323221211113313331121112333   >>      C111123313121111121111331333133313331323221211113313331121112332   >>