B3311331313231311331322331333132333131323132313231333133313113313232232321
>>
B331133131323131133132233133313233313132313231323133313331311331323223232
<<
B3311331313231311331322331333132333131323132313231333133313113313232232323
>>
B3311331313231311331322331333132333131323132313231333133313113313232232322
>>