B3311331313231311331322331333132313231323331333131133131133132322312111
>>
B331133131323131133132233133313231323132333133313113313113313232231211
<<
B3311331313231311331322331333132313231323331333131133131133132322312113
>>
B3311331313231311331322331333132313231323331333131133131133132322312112
>>