B3311331313231311331322331333132313331322331323133313232233131333132312122311
>>
B331133131323131133132233133313231333132233132313331323223313133313231212231
<<
B3311331313231311331322331333132313331322331323133313232233131333132312122313
>>
B3311331313231311331322331333132313331322331323133313232233131333132312122312
>>