B33113313132313113313223313331323132313331333133112111133133313223113313131121
>>
B3311331313231311331322331333132313231333133313311211113313331322311331313112
<<
B33113313132313113313223313331323132313331333133112111133133313223113313131123
>>
B33113313132313113313223313331323132313331333133112111133133313223113313131122
>>