B331133131323131133132233133313113313231313113313331323223313232223132311111
>>
B33113313132313113313223313331311331323131311331333132322331323222313231111
<<
B331133131323131133132233133313113313231313113313331323223313232223132311113
>>
B331133131323131133132233133313113313231313113313331323223313232223132311112
>>