B3311331313231311331322331333132313331323133313233313331311331333133311232321
>>
B331133131323131133132233133313231333132313331323331333131133133313331123232
<<
B3311331313231311331322331333132313331323133313233313331311331333133311232323
>>
B3311331313231311331322331333132313331323133313233313331311331333133311232322
>>