C31231211113313121211113313331333132233132322331323133313233133121   >>    C3123121111331312121111331333133313223313232233132313331323313312   <<    C31231211113313121211113313331333132233132322331323133313233133123   >>      C31231211113313121211113313331333132233132322331323133313233133122   >>