by weight for ~ 13_1CH_28_14 ~ by weight for ~ 13_1CH_28_15 ~
 by weight for every ~ 13_1CH_28_15 ~ by weight for every ~ 13_1CH_28_17 ~
 gold by weight for ~ 13_1CH_28_14 ~ gold by weight for ~ 13_1CH_28_15 ~
 silver by weight for ~ 13_1CH_28_14 ~ silver by weight for ~ 13_1CH_28_17 ~