B3311331313231311331322331333132313133313113313113313231323132313331322112131
>>
B331133131323131133132233133313231313331311331311331323132313231333132211213
<<
B3311331313231311331322331333132313133313113313113313231323132313331322112133
>>
B3311331313231311331322331333132313133313113313113313231323132313331322112132
>>