B33113313132313113313223313331323132313233313331311331333131211111321111
>>
B3311331313231311331322331333132313231323331333131133133313121111132111
<<
B33113313132313113313223313331323132313233313331311331333131211111321113
>>
B33113313132313113313223313331323132313233313331311331333131211111321112
>>