C21221212121211331322132313132313231313232233132313223313311211113313132311   >>    C2122121212121133132213231313231323131323223313231322331331121111331313231   <<    C21221212121211331322132313132313231313232233132313223313311211113313132313   >>      C21221212121211331322132313132313231313232233132313223313311211113313132312   >>