C21221212121211331322132313132313231313232233132313223313231333133313223332311   >>    C2122121212121133132213231313231323131323223313231322331323133313331322333231   <<    C21221212121211331322132313132313231313232233132313223313231333133313223332313   >>      C21221212121211331322132313132313231313232233132313223313231333133313223332312   >>