C21221212121211331322132313132313132313232233132313223313233313233312323131   >>    C2122121212121133132213231313231313231323223313231322331323331323331232313   <<    C21221212121211331322132313132313132313232233132313223313233313233312323133   >>      C21221212121211331322132313132313132313232233132313223313233313233312323132   >>