C111123313331323113313331333133313331323132333133313331333131133132213131   >>    C11112331333132311331333133313331333132313233313331333133313113313221313   <<    C111123313331323113313331333133313331323132333133313331333131133132213133   >>      C111123313331323113313331333133313331323132333133313331333131133132213132   >>