B3311331313231311331322331333131133133313233213231333132313231333133313221321
>>
B331133131323131133132233133313113313331323321323133313231323133313331322132
<<
B3311331313231311331322331333131133133313233213231333132313231333133313221323
>>
B3311331313231311331322331333131133133313233213231333132313231333133313221322
>>