B33113313132313113313223313331323133313223313231333133313331333132212133313121
>>
B3311331313231311331322331333132313331322331323133313331333133313221213331312
<<
B33113313132313113313223313331323133313223313231333133313331333132212133313123
>>
B33113313132313113313223313331323133313223313231333133313331333132212133313122
>>