B331133131323131133132233133313231323132313231313331323223313232223321
>>
B33113313132313113313223313331323132313231323131333132322331323222332
<<
B331133131323131133132233133313231323132313231313331323223313232223323
>>
B331133131323131133132233133313231323132313231313331323223313232223322
>>