B3311331313231311331322331333132313331322331323133313331323131333132313312321
>>
B331133131323131133132233133313231333132233132313331333132313133313231331232
<<
B3311331313231311331322331333132313331322331323133313331323131333132313312323
>>
B3311331313231311331322331333132313331322331323133313331323131333132313312322
>>