B3311331313231311331322331333131133133313231133133313232213231323131331123231
>>
B331133131323131133132233133313113313331323113313331323221323132313133112323
<<
B3311331313231311331322331333131133133313231133133313232213231323131331123233
>>
B3311331313231311331322331333131133133313231133133313232213231323131331123232
>>