|  | CHANGE | Change | VOCList | 76 | 36% | 
				
					
						|  | CHICKEN | Time to Chicken | VOCList | 99 | 8% | 
				
					
						|  | CHILD | 어린이 | Taeyoon_Lee | 215 | 21% | 
				
					
						|  | CHILDRENDAY | 어린이날 | JongMan | 1424 | 35% | 
				
					
						|  | CHINATRIP | China Trip | Taeyoon_Lee | 90 | 26% | 
				
					
						|  | CHRISTMAS | 크리스마스 인형 | Taeyoon_Lee | 6195 | 18% | 
				
					
						|  | CHWA | Prof. Chwa and his magicCircle class | astein | 20 | 25% | 
				
					
						|  | CICADAPRINCIPLE | 매미 원리 | Being | 90 | 22% | 
				
					
						|  | CIRCLEROUTES | Circle Routes | Corea | 40 | 57% | 
				
					
						|  | CIRCLES | Union of Circles | kriii | 141 | 30% | 
				
					
						|  | CITYDRIVING | City Driving | VOCList | 91 | 17% | 
				
					
						|  | CIV5 | The number of shortest paths in Civilization V | astein | 580 | 8% | 
				
					
						|  | CLEANING | 정리정돈 | mjy0503 | 216 | 19% | 
				
					
						|  | CLEARSKYPROJECT | 맑은 하늘 프로젝트 | Kureyo | 689 | 16% | 
				
					
						|  | CLUBROOM | 동아리방 구별 | mjy0503 | 210 | 21% | 
				
					
						|  | CODERS | Coders Invitation | lewha0 | 133 | 28% | 
				
					
						|  | COGIRUN | 코기런 | 꿀호떡 | 302 | 15% | 
				
					
						|  | COLORING | Coloring Madness | kriii | 1 | 0% | 
				
					
						|  | CONCERT | 콘서트 | hyunhwan | 3734 | 19% | 
				
					
						|  | COUNTARRAY | 배열 세기 | tncks0121 | 67 | 28% |