C31231211113313121211113313331323133313331322331323222112312331   >>    C3123121111331312121111331333132313331333132233132322211231233   <<    C31231211113313121211113313331323133313331322331323222112312333   >>      C31231211113313121211113313331323133313331322331323222112312332   >>