course were twenty ~ 13_1CH_27_01 ~ course were twenty ~ 13_1CH_27_02 ~ course were twenty ~ 13_1CH_27_07 ~ course were twenty ~ 13_1CH_27_08 ~ course were twenty ~ 13_1CH_27_09 ~ course were twenty ~ 13_1CH_27_10 ~ course were twenty ~ 13_1CH_27_11 ~ course were twenty ~ 13_1CH_27_12 ~ course were twenty ~ 13_1CH_27_13 ~ course were twenty ~ 13_1CH_27_14 ~ course were twenty ~ 13_1CH_27_15 ~
 course were twenty and ~ 13_1CH_27_01 ~ course were twenty and ~ 13_1CH_27_02 ~ course were twenty and ~ 13_1CH_27_07 ~ course were twenty and ~ 13_1CH_27_08 ~ course were twenty and ~ 13_1CH_27_09 ~ course were twenty and ~ 13_1CH_27_10 ~ course were twenty and ~ 13_1CH_27_11 ~ course were twenty and ~ 13_1CH_27_12 ~ course were twenty and ~ 13_1CH_27_13 ~ course were twenty and ~ 13_1CH_27_14 ~ course were twenty and ~ 13_1CH_27_15 ~
 every course were twenty ~ 13_1CH_27_01 ~ every course were twenty ~ 13_1CH_27_01 ~
 his course were twenty ~ 13_1CH_27_02 ~ his course were twenty ~ 13_1CH_27_05 ~ his course were twenty ~ 13_1CH_27_08 ~ his course were twenty ~ 13_1CH_27_09 ~ his course were twenty ~ 13_1CH_27_10 ~ his course were twenty ~ 13_1CH_27_11 ~ his course were twenty ~ 13_1CH_27_12 ~ his course were twenty ~ 13_1CH_27_13 ~ his course were twenty ~ 13_1CH_27_14 ~ his course were twenty ~ 13_1CH_27_15 ~~