C123213232213233231323132313132313231322132313231323132323132231   >>    C12321323221323323132313231313231323132213231323132313232313223   <<    C123213232213233231323132313132313231322132313231323132323132233   >>      C123213232213233231323132313132313231322132313231323132323132232   >>