B3311331313231311331322331333132313231323331333131333132313232233131133131
>>
B331133131323131133132233133313231323132333133313133313231323223313113313
<<
B3311331313231311331322331333132313231323331333131333132313232233131133133
>>
B3311331313231311331322331333132313231323331333131333132313232233131133132
>>