B33113313132313113313223313331323132313233313331311233133313231322133312121
>>
B3311331313231311331322331333132313231323331333131123313331323132213331212
<<
B33113313132313113313223313331323132313233313331311233133313231322133312123
>>
B33113313132313113313223313331323132313233313331311233133313231322133312122
>>