C31231211113313121211113313331323133313331333133112323213331333132313113221   >>    C3123121111331312121111331333132313331333133313311232321333133313231311322   <<    C31231211113313121211113313331323133313331333133112323213331333132313113223   >>      C31231211113313121211113313331323133313331333133112323213331333132313113222   >>