C31231211113313121211113313331323133313231133133313331322132322123221   >>    C3123121111331312121111331333132313331323113313331333132213232212322   <<    C31231211113313121211113313331323133313231133133313331322132322123223   >>      C31231211113313121211113313331323133313231133133313331322132322123222   >>