B3311331313231311331322331333132313331322331323133313331313331333131211131
>>
B331133131323131133132233133313231333132233132313331333131333133313121113
<<
B3311331313231311331322331333132313331322331323133313331313331333131211133
>>
B3311331313231311331322331333132313331322331323133313331313331333131211132
>>