B3311331313231311331322331333132313231323331333131211113313331333121212111
>>
B331133131323131133132233133313231323132333133313121111331333133312121211
<<
B3311331313231311331322331333132313231323331333131211113313331333121212113
>>
B3311331313231311331322331333132313231323331333131211113313331333121212112
>>