C111123313331323113313331333133313331323132333133313331322221322131   >>    C11112331333132311331333133313331333132313233313331333132222132213   <<    C111123313331323113313331333133313331323132333133313331322221322133   >>      C111123313331323113313331333133313331323132333133313331322221322132   >>