B33113313132313113313223313331323133313223313231333133313121111331312322123131
>>
B3311331313231311331322331333132313331322331323133313331312111133131232212313
<<
B33113313132313113313223313331323133313223313231333133313121111331312322123133
>>
B33113313132313113313223313331323133313223313231333133313121111331312322123132
>>