B33113313132313113313223313331323331333132313321133133313331333133112312131121
>>
B3311331313231311331322331333132333133313231332113313331333133313311231213112
<<
B33113313132313113313223313331323331333132313321133133313331333133112312131123
>>
B33113313132313113313223313331323331333132313321133133313331333133112312131122
>>