B3311331313231311331322331333132313233313231333131133133313232111311
>>
B331133131323131133132233133313231323331323133313113313331323211131
<<
B3311331313231311331322331333132313233313231333131133133313232111313
>>
B3311331313231311331322331333132313233313231333131133133313232111312
>>