B33113313132313113313223313331323132313331333133112111112111111331121132231
>>
B3311331313231311331322331333132313231333133313311211111211111133112113223
<<
B33113313132313113313223313331323132313331333133112111112111111331121132233
>>
B33113313132313113313223313331323132313331333133112111112111111331121132232
>>