B3311331313231311331322331333132313331322331323133313331311331123313123221
>>
B331133131323131133132233133313231333132233132313331333131133112331312322
<<
B3311331313231311331322331333132313331322331323133313331311331123313123223
>>
B3311331313231311331322331333132313331322331323133313331311331123313123222
>>