C111123313331323113313331333133313331323132333133313221131211211
>>
C11112331333132311331333133313331333132313233313331322113121121
<<
C111123313331323113313331333133313331323132333133313221131211213
>>
C111123313331323113313331333133313331323132333133313221131211212
>>