B33113313132313113313223313331323132313233313331311233133313232233133313121131
>>
B3311331313231311331322331333132313231323331333131123313331323223313331312113
<<
B33113313132313113313223313331323132313233313331311233133313232233133313121133
>>
B33113313132313113313223313331323132313233313331311233133313232233133313121132
>>