B3311331313231311331322331333132313233313231333131331123231323132313331322231
>>
B331133131323131133132233133313231323331323133313133112323132313231333132223
<<
B3311331313231311331322331333132313233313231333131331123231323132313331322233
>>
B3311331313231311331322331333132313233313231333131331123231323132313331322232
>>