B331133131323131133132233133313113313231313113313331323223313113313221111
>>
B33113313132313113313223313331311331323131311331333132322331311331322111
<<
B331133131323131133132233133313113313231313113313331323223313113313221113
>>
B331133131323131133132233133313113313231313113313331323223313113313221112
>>