B33113313132313113313223313331323133313221323331333132313231323132213121
>>
B3311331313231311331322331333132313331322132333133313231323132313221312
<<
B33113313132313113313223313331323133313221323331333132313231323132213123
>>
B33113313132313113313223313331323133313221323331333132313231323132213122
>>