B331133131323131133132233133313231333132313132322331323133313231331121223321
>>
B33113313132313113313223313331323133313231313232233132313331323133112122332
<<
B331133131323131133132233133313231333132313132322331323133313231331121223323
>>
B331133131323131133132233133313231333132313132322331323133313231331121223322
>>