B3311331313231311331322331333132313233313231333131333133112211331
>>
B331133131323131133132233133313231323331323133313133313311221133
<<
B3311331313231311331322331333132313233313231333131333133112211333
>>
B3311331313231311331322331333132313233313231333131333133112211332
>>