B3311331313231311331322331333132313231323331333131133132313331312112131
>>
B331133131323131133132233133313231323132333133313113313231333131211213
<<
B3311331313231311331322331333132313231323331333131133132313331312112133
>>
B3311331313231311331322331333132313231323331333131133132313331312112132
>>