C111123313331323113313331333133313331323132333133313331333132331133121   >>    C11112331333132311331333133313331333132313233313331333133313233113312   <<    C111123313331323113313331333133313331323132333133313331333132331133123   >>      C111123313331323113313331333133313331323132333133313331333132331133122   >>