There are 1 cent, 2 cents, 5 cents, 1 jiao, 2 jiao, and 5 jiao in RMB less than 1 yuan. There is a kind of picture, if you want to buy 1, you need to pay at least 3 coins; if you want to buy 3, you only need to pay 2 coins. How many points are each of these pictures?
小于1元的人民币有1分、2分、5分、1角、2角、5角六种硬币．有一种画片，如果想买1张，那么至少要付3枚硬币；如果要买3张，却只要付2枚硬币．这种画片每张多少分．
<result>17</result>