B3311331313231311331322331333132313331323133313233313331311331333131122211231
>>
B331133131323131133132233133313231333132313331323331333131133133313112221123
<<
B3311331313231311331322331333132313331323133313233313331311331333131122211233
>>
B3311331313231311331322331333132313331323133313233313331311331333131122211232
>>