B331133131323131133132233133313231323331323331311331323132313331123121
>>
B33113313132313113313223313331323132333132333131133132313231333112312
<<
B331133131323131133132233133313231323331323331311331323132313331123123
>>
B331133131323131133132233133313231323331323331311331323132313331123122
>>