B331133131323131133132233133313113313331311133313331333132313111111
>>
B33113313132313113313223313331311331333131113331333133313231311111
<<
B331133131323131133132233133313113313331311133313331333132313111113
>>
B331133131323131133132233133313113313331311133313331333132313111112
>>