LessoLesson 11: bbbab ccacc bdLesson 12: ccadd adacd aaLesson : 13 bdbca bbcaa adLesson 14: bcacd bcbcb bbLesson 15: dbcbc dadcc cbLesson 16: aadab adadd daLesson 17: dbbdc cbaac adLesson18 : Bdbdb cdcac cbLesson 19: Adccd bcbca ccLesson 20: Bcbbc bcacc daLesson 21 : cdcda cbbad ccLesson 22: dbddb dacda bbLesson 23: aaacc addbb adLesson 24: baaca acccb abLesson 25: cbbab cdbaa daLesson 26: adcbc ddabd bdLesson 27: dcddd baddc ccLesson 28: cdbbc dbdcd baLesson
