B33113313132313113313223313331323133313223313231333133313331323133313223323121
>>
B3311331313231311331322331333132313331322331323133313331333132313331322332312
<<
B33113313132313113313223313331323133313223313231333133313331323133313223323123
>>
B33113313132313113313223313331323133313223313231333133313331323133313223323122
>>