C111123313331323113313331333133313331323132333133313331311211111
>>
C11112331333132311331333133313331333132313233313331333131121111
<<
C111123313331323113313331333133313331323132333133313331311211113
>>
C111123313331323113313331333133313331323132333133313331311211112
>>