B3311331313231311331322331333132313233313231333131133133313121111331322211331
>>
B331133131323131133132233133313231323331323133313113313331312111133132221133
<<
B3311331313231311331322331333132313233313231333131133133313121111331322211333
>>
B3311331313231311331322331333132313233313231333131133133313121111331322211332
>>