B3311331313231311331322331333132313233313231333131211113313331333131331122331
>>
B331133131323131133132233133313231323331323133313121111331333133313133112233
<<
B3311331313231311331322331333132313233313231333131211113313331333131331122333
>>
B3311331313231311331322331333132313233313231333131211113313331333131331122332
>>