B3311331313231311331322331333132233131133132233133313231333132312313232231
>>
B331133131323131133132233133313223313113313223313331323133313231231323223
<<
B3311331313231311331322331333132233131133132233133313231333132312313232233
>>
B3311331313231311331322331333132233131133132233133313231333132312313232232
>>