B3311331313231311331322331333132313232233132332132313331333132213231323331
>>
B331133131323131133132233133313231323223313233213231333133313221323132333
<<
B3311331313231311331322331333132313232233132332132313331333132213231323333
>>
B3311331313231311331322331333132313232233132332132313331333132213231323332
>>