C111123313331323113313331333132313331311331312111113331322232231   >>    C11112331333132311331333133313231333131133131211111333132223223   <<    C111123313331323113313331333132313331311331312111113331322232233   >>      C111123313331323113313331333132313331311331312111113331322232232   >>