B33113313132313113313223313331323132313331333133112323133313232121311
>>
B3311331313231311331322331333132313231333133313311232313331323212131
<<
B33113313132313113313223313331323132313331333133112323133313232121313
>>
B33113313132313113313223313331323132313331333133112323133313232121312
>>