B3311331313231311331322331333132313331322331323133313331323133313232321321311
>>
B331133131323131133132233133313231333132233132313331333132313331323232132131
<<
B3311331313231311331322331333132313331322331323133313331323133313232321321313
>>
B3311331313231311331322331333132313331322331323133313331323133313232321321312
>>