B33113313132313113313223313331323132313331333133112111133131211331311131
>>
B3311331313231311331322331333132313231333133313311211113313121133131113
<<
B33113313132313113313223313331323132313331333133112111133131211331311133
>>
B33113313132313113313223313331323132313331333133112111133131211331311132
>>