B33113313132313113313223313331323133313223313231333133313311232311313232311
>>
B3311331313231311331322331333132313331322331323133313331331123231131323231
<<
B33113313132313113313223313331323133313223313231333133313311232311313232313
>>
B33113313132313113313223313331323133313223313231333133313311232311313232312
>>