B331133131323131133132233133313231323132333133313113313113313223313231331
>>
B33113313132313113313223313331323132313233313331311331311331322331323133
<<
B331133131323131133132233133313231323132333133313113313113313223313231333
>>
B331133131323131133132233133313231323132333133313113313113313223313231332
>>