B33113313132313113313223313331323132313233313331311133313113313232313121
>>
B3311331313231311331322331333132313231323331333131113331311331323231312
<<
B33113313132313113313223313331323132313233313331311133313113313232313123
>>
B33113313132313113313223313331323132313233313331311133313113313232313122
>>