B331133131323131133132233133313113313331311133313331333131111121
>>
B33113313132313113313223313331311331333131113331333133313111112
<<
B331133131323131133132233133313113313331311133313331333131111123
>>
B331133131323131133132233133313113313331311133313331333131111122
>>