B3311331313231311331322331333131133132313133313232233131333132313123123221
>>
B331133131323131133132233133313113313231313331323223313133313231312312322
<<
B3311331313231311331322331333131133132313133313232233131333132313123123223
>>
B3311331313231311331322331333131133132313133313232233131333132313123123222
>>