B331133131323131133132233133313231323132313231313331323133313231331121311
>>
B33113313132313113313223313331323132313231323131333132313331323133112131
<<
B331133131323131133132233133313231323132313231313331323133313231331121313
>>
B331133131323131133132233133313231323132313231313331323133313231331121312
>>