C111123313331323113313331323133313331311331311331333132223112331   >>    C11112331333132311331333132313331333131133131133133313222311233   <<    C111123313331323113313331323133313331311331311331333132223112333   >>      C111123313331323113313331323133313331311331311331333132223112332   >>