B3311331313231311331322331333131133133313111333133313231311211311111
>>
B331133131323131133132233133313113313331311133313331323131121131111
<<
B3311331313231311331322331333131133133313111333133313231311211311113
>>
B3311331313231311331322331333131133133313111333133313231311211311112
>>