평균치로는 원탑인듯

7ced8076b48169fe3ae798bf06d60403f1cac321070ae08fa4


7ced8076b48169fe3bee98bf06d604037d3dbe30e49a9247f7


7ced8076b48169fe3bef98bf06d604039893040e3b995c4f67a1