B33113313132313113313223313331323132313331333133112111133132313332322123121
>>
B3311331313231311331322331333132313231333133313311211113313231333232212312
<<
B33113313132313113313223313331323132313331333133112111133132313332322123123
>>
B33113313132313113313223313331323132313331333133112111133132313332322123122
>>