B3311331313231311331322331333132313231323331333131133132313311232322221
>>
B331133131323131133132233133313231323132333133313113313231331123232222
<<
B3311331313231311331322331333132313231323331333131133132313311232322223
>>
B3311331313231311331322331333132313231323331333131133132313311232322222
>>