B33113313132313113313223313331323132313331333133112111113331333132312131121
>>
B3311331313231311331322331333132313231333133313311211111333133313231213112
<<
B33113313132313113313223313331323132313331333133112111113331333132312131123
>>
B33113313132313113313223313331323132313331333133112111113331333132312131122
>>