B3311331313231311331322331333131133133313111333133313331323133313223323321
>>
B331133131323131133132233133313113313331311133313331333132313331322332332
<<
B3311331313231311331322331333131133133313111333133313331323133313223323323
>>
B3311331313231311331322331333131133133313111333133313331323133313223323322
>>