B33113313132313113313223313331323133313221211331333133313331333131231331123121
>>
B3311331313231311331322331333132313331322121133133313331333133313123133112312
<<
B33113313132313113313223313331323133313221211331333133313331333131231331123123
>>
B33113313132313113313223313331323133313221211331333133313331333131231331123122
>>