B3311331313231311331322331333131133133313111333133313331323133313232332313221
>>
B331133131323131133132233133313113313331311133313331333132313331323233231322
<<
B3311331313231311331322331333131133133313111333133313331323133313232332313223
>>
B3311331313231311331322331333131133133313111333133313331323133313232332313222
>>