B33113313132313113313223313331323132313233313331311233132313233313133313231131
>>
B3311331313231311331322331333132313231323331333131123313231323331313331323113
<<
B33113313132313113313223313331323132313233313331311233132313233313133313231133
>>
B33113313132313113313223313331323132313233313331311233132313233313133313231132
>>