B3311331313231311331322331333132313231323331333131333133313231311331333221321
>>
B331133131323131133132233133313231323132333133313133313331323131133133322132
<<
B3311331313231311331322331333132313231323331333131333133313231311331333221323
>>
B3311331313231311331322331333132313231323331333131333133313231311331333221322
>>