B331133131323131133132233133313113313232313113313231333132233132313232212113311
>>
B33113313132313113313223313331311331323231311331323133313223313231323221211331
<<
B331133131323131133132233133313113313232313113313231333132233132313232212113313
>>
B331133131323131133132233133313113313232313113313231333132233132313232212113312
>>