B33113313132313113313223313331323133313221211331333133313331323233123231
>>
B3311331313231311331322331333132313331322121133133313331333132323312323
<<
B33113313132313113313223313331323133313221211331333133313331323233123233
>>
B33113313132313113313223313331323133313221211331333133313331323233123232
>>