Lesson1:bcbdcadbacccLesson2:cdccabbadcdbLesson3:cacacbccbabbLesson4:dbabbacbcaccLesson5:cadbcdabcbbdLesson6:dacddadabadaLesson7:bccdacdacbabLesson8:dbbaccbbadbbLesson9:cbdaabbdbbdcLesson10:addcbcacaccaLesson11:bbbabccaccbdLesson12:ccaddadacdaaLesson:13bdbcabbcaaadLesson14:bcacdbcbcbbbLesson15:dbcbcdadcccbLesson16:aadabadadddaLesson17:dbbdccbaacadLesson18:BdbdbcdcaccbLesson19:AdccdbcbcaccLesson20:BcbbcbcaccdaLesson21:cdcdacbbadccLesson22:dbddbdacdabbLesson23:aaaccaddbbadLesson24:baacaacccbabLesson25:cbbabcdbaadaLesson26:adcbcddabdbdLesson27:dcdddbaddcccLesson28:cdbbcdbdcdbaLesson29:bccbdbabbbcbLesson30:aadabcccdaddLesson31:dbacaadabcacLesson32:cccbbcadadbcLesson33:dbdacbbcccacLesson34:dabcadcbcbcaLesson35:adaddadabaddLesson36:addcdccbadccLesson37:cbbbbdacdbbaLesson38:bcaacbddbaddLesson39:dacddabaccabLesson40:ccbcaacbbbbdLesson41:aacdcbbadacbLesson42:dddbbcddacdaLesson43:bbaaddaccdacLesson44:cbcccbdababdLesson45:bdabbdcbcbdbLesson46:acddacbcadcaLesson47:dabadaaddcacLesson48:cbcbacbbdabcLesson49:dababccaccaaLesson50:dbaccaadbbcdLesson51:bcdddadcaddbLesson52:bccabdcbacbdLesson53:cdacccdcdaccLesson54:dbdbdbadcbddLesson55:aabdaacabdabLesson56:caccacabbcccLesson57:abbbbdcdcbdaLesson58:bdaacbdcadbdLesson59:dbdddabadaabLesson60:bacbcbabacadLesson61:baccadcabbddLesson62:addcdccbdadbLesson63:dbaabddacdcaLesson64:ccccbbccabbbLesson65:adbbcaadccbdLesson66:cbaadaababbaLesson67:daddddbbadddLesson68:bbcdbbbcccaaLesson69:abcbbddaabcdLesson70:dbccdbcacddcLesson71:bdbbccdbbcbaLesson72:acadbaccdbadLesson73:cadacdadaadbLesson74:baccdcacbcabLesson75:cabdbabbddccLesson76:dbdaabbacbddLesson77:acabcdddaabaLesson78:acbbcacbabcaLesson79:bdccadbadaacLesson80:cbdadcadccdbLesson81:daadbbdcbdbdLesson82:abadccdaacbdLesson83:baccabcbcdabLesson84:ccabdcccdacdLesson85:ddbababdbbdcLesson86:bcabbbdcabbcLesson87:cdcdaccadaadLesson88:cbbccabbcccbLesson89:aadaddadbddbLesson90:bcccabcbadddLesson91:dbcbcdbbcbcbLesson92:bcdcbabbadcaLesson93:cdbacccdcbdbLesson94:abcbadacdabcLesson95:dabadcdcacdcLesson96:dccbadcdabcb