B3311331313231311331322331333132333131323132313231333133313233313121123231
>>
B331133131323131133132233133313233313132313231323133313331323331312112323
<<
B3311331313231311331322331333132333131323132313231333133313233313121123233
>>
B3311331313231311331322331333132333131323132313231333133313233313121123232
>>