B3311331313231311331322331333132333131323132313231333131333132313311213111
>>
B331133131323131133132233133313233313132313231323133313133313231331121311
<<
B3311331313231311331322331333132333131323132313231333131333132313311213113
>>
B3311331313231311331322331333132333131323132313231333131333132313311213112
>>