B33113313132313113313223313331323133313223313231333133313331333133332131231
>>
B3311331313231311331322331333132313331322331323133313331333133313333213123
<<
B33113313132313113313223313331323133313223313231333133313331333133332131233
>>
B33113313132313113313223313331323133313223313231333133313331333133332131232
>>