B3311331313231311331322331333132313231323331333131133131133132321223321
>>
B331133131323131133132233133313231323132333133313113313113313232122332
<<
B3311331313231311331322331333132313231323331333131133131133132321223323
>>
B3311331313231311331322331333132313231323331333131133131133132321223322
>>