B33113313132313113313223313331323133313232233121133133313331333133313123133121
>>
B3311331313231311331322331333132313331323223312113313331333133313331312313312
<<
B33113313132313113313223313331323133313232233121133133313331333133313123133123
>>
B33113313132313113313223313331323133313232233121133133313331333133313123133122
>>