B33113313132313113313223313331323132313233313331311133313231323132313232112121
>>
B3311331313231311331322331333132313231323331333131113331323132313231323211212
<<
B33113313132313113313223313331323132313233313331311133313231323132313232112123
>>
B33113313132313113313223313331323132313233313331311133313231323132313232112122
>>