B3311331313231311331322331333132313231323331333131211113313331322131333321
>>
B331133131323131133132233133313231323132333133313121111331333132213133332
<<
B3311331313231311331322331333132313231323331333131211113313331322131333323
>>
B3311331313231311331322331333132313231323331333131211113313331322131333322
>>