B33113313132313113313223313331323132313331333133112323132313232211213111
>>
B3311331313231311331322331333132313231333133313311232313231323221121311
<<
B33113313132313113313223313331323132313331333133112323132313232211213113
>>
B33113313132313113313223313331323132313331333133112323132313232211213112
>>