C31211133313132313231323331313132313231313232233132333132333132333132313222111
>>
C3121113331313231323132333131313231323131323223313233313233313233313231322211
<<
C31211133313132313231323331313132313231313232233132333132333132333132313222113
>>
C31211133313132313231323331313132313231313232233132333132333132333132313222112
>>