B3311331313231311331322331333132313231323331333131333133313231321123231121131
>>
B331133131323131133132233133313231323132333133313133313331323132112323112113
<<
B3311331313231311331322331333132313231323331333131333133313231321123231121133
>>
B3311331313231311331322331333132313231323331333131333133313231321123231121132
>>