B3311331313231311331322331333132233131133132233133313231333131133132313223121
>>
B331133131323131133132233133313223313113313223313331323133313113313231322312
<<
B3311331313231311331322331333132233131133132233133313231333131133132313223123
>>
B3311331313231311331322331333132233131133132233133313231333131133132313223122
>>