B33113313132313113313223313331323132313133313331323132313231323133313113312121
>>
B3311331313231311331322331333132313231313331333132313231323132313331311331212
<<
B33113313132313113313223313331323132313133313331323132313231323133313113312123
>>
B33113313132313113313223313331323132313133313331323132313231323133313113312122
>>