C111123313331323113313331333133313331323132333133313221131211212321
>>
C11112331333132311331333133313331333132313233313331322113121121232
<<
C111123313331323113313331333133313331323132333133313221131211212323
>>
C111123313331323113313331333133313331323132333133313221131211212322
>>