B3311331313231311331322331333132313233313231333131133133313111121311
>>
B331133131323131133132233133313231323331323133313113313331311112131
<<
B3311331313231311331322331333132313233313231333131133133313111121313
>>
B3311331313231311331322331333132313233313231333131133133313111121312
>>