B33113313132313113313223313331323331313231323132313331333132313232121111
>>
B3311331313231311331322331333132333131323132313231333133313231323212111
<<
B33113313132313113313223313331323331313231323132313331333132313232121113
>>
B33113313132313113313223313331323331313231323132313331333132313232121112
>>