C21221212121211331322132313132313132313232233132313223313231333131132311   >>    C2122121212121133132213231313231313231323223313231322331323133313113231   <<    C21221212121211331322132313132313132313232233132313223313231333131132313   >>      C21221212121211331322132313132313132313232233132313223313231333131132312   >>