B33113313132313113313223313331323133313223313231333133313231333132311233313121
>>
B3311331313231311331322331333132313331322331323133313331323133313231123331312
<<
B33113313132313113313223313331323133313223313231333133313231333132311233313123
>>
B33113313132313113313223313331323133313223313231333133313231333132311233313122
>>