C31231211113313121211113313331333132313331323312111133133313211232233131   >>    C3123121111331312121111331333133313231333132331211113313331321123223313   <<    C31231211113313121211113313331333132313331323312111133133313211232233133   >>      C31231211113313121211113313331333132313331323312111133133313211232233132   >>