B3311331313231311331322331333131133132313331313232233131333132313231323123221
>>
B331133131323131133132233133313113313231333131323223313133313231323132312322
<<
B3311331313231311331322331333131133132313331313232233131333132313231323123223
>>
B3311331313231311331322331333131133132313331313232233131333132313231323123222
>>