B3311331313231311331322331333132313231323331333131333133313231321123232331131
>>
B331133131323131133132233133313231323132333133313133313331323132112323233113
<<
B3311331313231311331322331333132313231323331333131333133313231321123232331133
>>
B3311331313231311331322331333132313231323331333131333133313231321123232331132
>>