B331133131323131133132233133313231323331323133313113313113313232221123232221
>>
B33113313132313113313223313331323132333132313331311331311331323222112323222
<<
B331133131323131133132233133313231323331323133313113313113313232221123232223
>>
B331133131323131133132233133313231323331323133313113313113313232221123232222
>>