B3311331313231311331322331333132333131333132233133313233313231313231311211311
>>
B331133131323131133132233133313233313133313223313331323331323131323131121131
<<
B3311331313231311331322331333132333131333132233133313233313231313231311211313
>>
B3311331313231311331322331333132333131333132233133313233313231313231311211312
>>