B3311331313231311331322331333132313331323133313233313331322331333133322132311
>>
B331133131323131133132233133313231333132313331323331333132233133313332213231
<<
B3311331313231311331322331333132313331323133313233313331322331333133322132313
>>
B3311331313231311331322331333132313331323133313233313331322331333133322132312
>>