C121212123112323223313132322331323331323132322231323132313311211111
>>
C12121212311232322331313232233132333132313232223132313231331121111
<<
C121212123112323223313132322331323331323132322231323132313311211113
>>
C121212123112323223313132322331323331323132322231323132313311211112
>>