B33113313132313113313223313331323133313221211331333133313331331121111123121311
>>
B3311331313231311331322331333132313331322121133133313331333133112111112312131
<<
B33113313132313113313223313331323133313221211331333133313331331121111123121313
>>
B33113313132313113313223313331323133313221211331333133313331331121111123121312
>>