B33113313132313113313223313331323133313221211331333133313331333131231212131
>>
B3311331313231311331322331333132313331322121133133313331333133313123121213
<<
B33113313132313113313223313331323133313221211331333133313331333131231212133
>>
B33113313132313113313223313331323133313221211331333133313331333131231212132
>>