C21221212121211331322132313132313132313232233132313223313231313132333131   >>    C2122121212121133132213231313231313231323223313231322331323131313233313   <<    C21221212121211331322132313132313132313232233132313223313231313132333133   >>      C21221212121211331322132313132313132313232233132313223313231313132333132   >>