B331133131323131133132233133313113313231313113313331323223313231333133313111111
>>
B33113313132313113313223313331311331323131311331333132322331323133313331311111
<<
B331133131323131133132233133313113313231313113313331323223313231333133313111113
>>
B331133131323131133132233133313113313231313113313331323223313231333133313111112
>>