B331133131323131133132233133313113313231313113313331323223313231333112111121
>>
B33113313132313113313223313331311331323131311331333132322331323133311211112
<<
B331133131323131133132233133313113313231313113313331323223313231333112111123
>>
B331133131323131133132233133313113313231313113313331323223313231333112111122
>>