B331133131323131133132233133313231313231333132322331323132313231321111
>>
B33113313132313113313223313331323131323133313232233132313231323132111
<<
B331133131323131133132233133313231313231333132322331323132313231321113
>>
B331133131323131133132233133313231313231333132322331323132313231321112
>>