B33113313132313113313223313331323133313231333132333133313331312113121
>>
B3311331313231311331322331333132313331323133313233313331333131211312
<<
B33113313132313113313223313331323133313231333132333133313331312113123
>>
B33113313132313113313223313331323133313231333132333133313331312113122
>>