B3311331313231311331322331333132313233313231333131333133313232213123232331
>>
B331133131323131133132233133313231323331323133313133313331323221312323233
<<
B3311331313231311331322331333132313233313231333131333133313232213123232333
>>
B3311331313231311331322331333132313233313231333131333133313232213123232332
>>