B33113313132313113313223313331323132313233313331311133313233313113313232212221
>>
B3311331313231311331322331333132313231323331333131113331323331311331323221222
<<
B33113313132313113313223313331323132313233313331311133313233313113313232212223
>>
B33113313132313113313223313331323132313233313331311133313233313113313232212222
>>