B33113313132313113313223313331323133313223313231333133313231323221311312121
>>
B3311331313231311331322331333132313331322331323133313331323132322131131212
<<
B33113313132313113313223313331323133313223313231333133313231323221311312123
>>
B33113313132313113313223313331323133313223313231333133313231323221311312122
>>