B3311331313231311331322331333131133133313111333133313331322312131
>>
B331133131323131133132233133313113313331311133313331333132231213
<<
B3311331313231311331322331333131133133313111333133313331322312133
>>
B3311331313231311331322331333131133133313111333133313331322312132
>>