B3311331313231311331322331333132313231323331333131133131133132322313321
>>
B331133131323131133132233133313231323132333133313113313113313232231332
<<
B3311331313231311331322331333132313231323331333131133131133132322313323
>>
B3311331313231311331322331333132313231323331333131133131133132322313322
>>