B3311331313231311331322331333132313233313233313132333133313132313232311
>>
B331133131323131133132233133313231323331323331313233313331313231323231
<<
B3311331313231311331322331333132313233313233313132333133313132313232313
>>
B3311331313231311331322331333132313233313233313132333133313132313232312
>>